CN111541212B - Anti-twist fixing device for cable - Google Patents
Anti-twist fixing device for cable Download PDFInfo
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- CN111541212B CN111541212B CN202010399638.2A CN202010399638A CN111541212B CN 111541212 B CN111541212 B CN 111541212B CN 202010399638 A CN202010399638 A CN 202010399638A CN 111541212 B CN111541212 B CN 111541212B
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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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
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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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
Abstract
The invention discloses an anti-twisting fixing device for a cable, which relates to the field of power cables and aims to solve the problem that a cable terminal in the prior art is easy to twist so as to destroy the lead-lined effect; this fixing device for the cable is in each position atress balance, avoids destroying the plumbous effect of warding off because of the wrench movement at cable termination, has improved the stability of power transmission process.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to an anti-twisting fixing device for a cable.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. When the cable frame is arranged at a high altitude, a cable terminal seat is arranged on the cable terminal tower, a plurality of cable terminals are arranged on the cable terminal seat and are respectively connected with the head terminal and the tail terminal of the cable overhead line so as to complete the connection with the electrical equipment, thereby realizing the transmission and distribution of electric energy.
The connection and sealing method between the cable terminal and the cable terminal head is generally lead-lined, i.e. after the lead-tin alloy is melted on site, the lead-tin alloy is tightly and uniformly covered on the cable connection position, and after the alloy is cooled, the connection and sealing work is completed. Due to the characteristics of the lead-tin alloy, the position of the lead lining can not bear larger force, otherwise, the damage phenomenon is easy to occur, the damage of the lead lining easily causes serious heating of the cable, and even leads to water inflow of a cable joint; if the lead lining completely falls off, partial discharge of the cable is easily caused, and finally, the terminal is damaged due to failure, so that unnecessary power failure accidents occur.
The prior Chinese patent with the publication number of CN206673485U discloses a cable clamp, which comprises three coils, wherein the three coils are connected into a whole in a straight line, the coils are provided with openings capable of being clamped into a cable, the openings of the coils are arranged at positions above the circle center of the coils, the coils are provided with fixed blocks for fixing the coils, the fixed blocks are arranged at one ends or two ends of the three coils arranged in a straight line, and the radian of the openings is not more than one fourth of the circle center angle of the corresponding coils; the clamp is convenient to install and replace cables, the installation speed is high, the installation stability of the cables is improved, and resources are saved.
However, the above technical solutions have the following disadvantages: when the clamp in the file is used for installing the cable, the cable is directly clamped into the coil; the cable is easy to shake and twist under the influence of wind when erected at high altitude, so that the cable and the cable terminal are twisted, the lead-lined effect is finally damaged, and the stability of the power transmission process is influenced; therefore, further improvements are desired.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the anti-twisting fixing device for the cable, so that the stress of the cable in each direction is balanced, the lead-lined effect is prevented from being damaged due to twisting of a cable terminal, and the stability of the power transmission process is improved.
The above object of the present invention is achieved by the following technical solutions:
an anti-twist fixing device for a cable comprises a terminal seat, a cable terminal installed on the terminal seat, a cable body connected with the cable terminal, an arc-shaped pressing plate, a rubber bottom support and a bearing seat installed on the terminal seat, the upper surface of the bearing seat is provided with a placing groove for accommodating the rubber bottom support, the upper surface of the rubber bottom support is provided with an arc-shaped groove for bearing the cable body, mounting pieces are arranged on two sides of the arc-shaped pressing plate and fixed on the upper surface of the bearing seat, a locking space for fixing the cable body is enclosed between the arc-shaped pressing plate and the arc-shaped groove, the utility model discloses a cable body, including standing groove, tank bottom wall, multidirectional bolster, the tank bottom wall of standing groove is equipped with the multidirectional bolster, and the multidirectional bolster links to each other with the rubber collet, be equipped with in the standing groove and be used for preventing the torsional rotation stopping subassembly of cable body, it has the space to turn back to turn round to reserve between the outer wall of cable body and the cell wall of standing groove.
By adopting the technical scheme, the cable body firstly penetrates through the placing groove, so that the rubber bottom support stably supports the cable body, and the arc-shaped pressing plate is fixed on the supporting seat by utilizing the mounting piece so as to fix the cable body in the arc-shaped groove; the cable body is erected at high altitude, and when the cable body shakes and twists under the influence of wind force, the multidirectional buffer parts can be used for eliminating the vibration force of the cable body in multiple directions; meanwhile, the rotation stopping component can eliminate the torsion generated by the cable body so as to prevent the cable body from twisting, so that the inside of the cable body is extruded to damage and generate heat; adopt the anti-twist fixing device that constitutes of above-mentioned structure, the cable is balanced in each position atress, avoids damaging owing to the wrench movement at cable terminal and bores the plumbous effect, has improved the stability of power transmission process.
Further, multidirectional bolster including set up pillar on the tank bottom wall of standing groove, the arc elastic steel sheet that links to each other with the pillar top and with arc elastic steel sheet both ends looks articulated slider, the equidistant range of length direction of cable body is followed to the pillar, the inner arc wall of arc elastic steel sheet and the lower surface adhesive connection of rubber collet, the interval between the outer arc wall of arc elastic steel sheet and the tank bottom wall of standing groove is progressively increased by one side of being close to the pillar to the one side of keeping away from the pillar one by one, the cell wall of standing groove just is equipped with the spout that supplies the slider to slide along the axial of pillar, it links to each other with the slider to be equipped with the piece that resets in the spout.
Through adopting above-mentioned technical scheme, because arc elastic steel sheet has certain elasticity, when the jarring force that produces a plurality of directions, drive the cable body from top to bottom, control or the incline direction swing, deformation takes place for the both sides of rubber collet simultaneously, the slider slides in the spout this moment, utilize the elasticity that resets and rubber collet and arc elastic steel sheet, make the slider reset, arc elastic steel sheet resets simultaneously, finally make the cable body reset, and then can avoid destroying the plumbous effect because of shaking power too big, stability when having improved cable body transmission electric power.
Further, the piece that resets includes the gear, establishes pivot, the cover that links to each other with the gear and rotates epaxial torsional spring and set up the rack on the slider lateral wall in the pivot, one side cell wall of spout is equipped with the recess that is used for holding the gear, the pivot is connected with the cell wall rotation of recess, the one end of torsional spring is fixed at the pivot outer wall, the cell wall at the recess is fixed to the other end of torsional spring.
Through adopting above-mentioned technical scheme, when the slider slided in the spout, drive the rack and slide in step, and then drive the fluted disc and rotate, utilize the reset function of torsional spring, and then can drive pivot and fluted disc gyration for the rack upwards slides to initial position, finally makes arc elastic steel piece reset, so that to the stable bearing of cable body, avoid cable body amplitude of oscillation too big and destroy and ward off plumbous effect.
Further, the outer arc wall of arc elastic steel sheet just is located the both sides equipartition of pillar and is equipped with a plurality of rubber resilience posts, the bottom mounting of rubber resilience post is at the tank bottom wall of standing groove.
Through adopting above-mentioned technical scheme, when arc elastic steel piece takes place deformation, utilize the rubber resilience post can increase the resistance of the production deformation of arc elastic steel piece, and then reduced the probability that arc elastic steel piece produced deformation, can stably support arc elastic steel piece to make the stable bearing of rubber collet to the cable body.
Further, the rotation stopping assembly comprises a rubber roller and a rotary arc plate, the rubber roller is positioned in the back-twist space, the rotary arc plate is adhesively connected to the outer wall of the rubber roller, the outer wall of the rubber roller is opposite to the outer wall of the cable body, a connecting piece is arranged between the outer wall of the rubber roller and the outer wall of the cable body, the connecting piece rotates synchronously, a cavity is arranged in the side wall of the bearing seat, a rotating opening is formed in the wall of the placing groove, the side wall of the rubber roller, which is positioned on the rotary arc plate, penetrates through the rotating opening and extends into the cavity, the end walls of the two sides, which are positioned in the cavity, of the rubber roller are rotatably connected with the inner wall of the cavity through supporting shafts, the inner wall of the cavity is hinged with a horizontal guide rod, the guide rods are oppositely arranged along the height direction of the bearing seat, the outer arc walls of the rotary arc plate are respectively hinged with guide, the other end of the reset spring is connected with the outer wall of the guide rod.
By adopting the technical scheme, when the cable body generates torsion and rotates, the connecting piece drives the two rubber rollers to synchronously rotate, so that the rotary arc plate rotates, the guide block is hinged with the rotary arc plate, the guide rod is hinged with the inner wall of the cavity, the angle between the guide block and the rotary arc plate is changed, the guide block is driven to slide on the guide rod, and the guide block is reset by utilizing the elasticity and the reset function of the reset spring so that the rotary arc plate rotates, so that the cable body is driven to be back-twisted, and the reset of the cable body is realized; this structure of ending soon through in time resetting the cable body to producing torsion, can avoid cable body torsion too big, and destroy the electricity and bore plumbous effect, has improved power transmission process's stability.
Further, the connecting piece comprises a first sawtooth ring plate and a second sawtooth ring plate, wherein the first sawtooth ring plate is connected to the outer wall of the rubber roller in an adhesive mode, the second sawtooth ring plate is connected to the outer wall of the cable body in an adhesive mode, and the first sawtooth ring plate and the second sawtooth ring plate are meshed with each other.
Through adopting above-mentioned technical scheme, when the cable body rotated, because first sawtooth ring board and second sawtooth ring board intermeshing, and then drive the rubber roller synchronous revolution.
Furthermore, the gear teeth on the first sawtooth ring plate and the second sawtooth ring plate are made of rubber materials.
Through adopting above-mentioned technical scheme, because rubber has good shock attenuation and wearability, and then increased the frictional force between first sawtooth ring board and the second sawtooth ring board, reduced the cable body and received wind-force and pivoted probability, improved power transmission process's stability.
Further, the rubber collet adopts the fluorine rubber preparation shaping, the lower surface of arc clamp plate is equipped with the rubber slipmat to the rubber slipmat tightly supports the outer wall at the cable body.
By adopting the technical scheme, the rubber bottom support is made and molded by adopting the fluororubber, and the fluororubber has excellent heat resistance, oxidation resistance, oil resistance, corrosion resistance and atmospheric aging resistance, and is long in service life, so that good elasticity can be kept, and a cable body can be stably supported; the rubber protection pad is matched with the rubber bottom support, so that the shock force generated by the cable body can be absorbed and buffered, and the shock absorption effect is achieved; utilize the rubber slipmat, can increase the frictional force between arc clamp plate and the cable body outer wall, and then can stably fix the cable body in the standing groove.
Further, the installed part includes the extension board that links to each other with arc clamp plate both sides, sets up the installation piece at the extension board lower surface, the upper surface of bearing seat just is located the standing groove both sides and is equipped with and supplies installation piece male mounting groove, the installation piece is through first bolt fastening in the mounting groove.
Through adopting above-mentioned technical scheme, the setting of installation piece and first bolt is conveniently fixed the installation of arc clamp plate on the bearing seat to the realization is fixed the cable body in the arc wall.
Further, both sides wall of bearing seat all is equipped with the mounting panel, the mounting panel passes through the second bolt fastening at the upper surface of terminal seat.
Through adopting above-mentioned technical scheme, the setting of second bolt and mounting panel has realized being connected bearing seat and dismantling between the terminal seat, makes things convenient for personnel to install the bearing seat on the terminal seat fast when laying the cable to the realization is to the location of cable body.
In conclusion, the invention has the following beneficial effects:
1. when the cable body is erected at high altitude, the cable body shakes and twists under the influence of wind force, and the multidirectional buffer piece can eliminate the vibration force of the cable body in multiple directions; meanwhile, the rotation stopping assembly can be used for eliminating torsion generated by the cable body so as to prevent the cable body from twisting and damage and heating caused by extrusion in the cable body, so that the stress of the cable in each direction in the placing groove is balanced, the lead lining effect is prevented from being damaged by twisting of a cable terminal, and the stability of the power transmission process is improved;
2. the vertical and multi-direction vibration force of the cable body can be eliminated by utilizing the rubber bottom support, the arc-shaped elastic steel sheet, the rubber rebound column and the rubber anti-slip pad, so that the cable body can be stably supported, and the phenomenon that the lead lining effect is damaged due to overlarge swing amplitude of the cable body is avoided;
3. when the rubber roller rotates, the guide block slides on the guide rod, the guide block is reset by the aid of the elastic force of the reset spring, the rubber roller is reset in a rotating mode through the rotating arc plate, the first sawtooth ring plate and the second sawtooth ring plate are meshed with each other, and finally the cable body rotates, so that the phenomenon that the interior of the cable body is extruded to generate heat and is damaged due to overlarge torsion is avoided;
4. the first sawtooth ring plate and the second sawtooth ring plate are made of rubber, so that the friction force between the first sawtooth ring plate and the second sawtooth ring plate is increased, the probability that the cable body rotates due to wind power is reduced, and the stability of the power transmission process is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic overall sectional structural view of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a cross-sectional view of the embodiment of the restoring member.
Fig. 5 is an enlarged schematic view of a portion B in fig. 2.
Fig. 6 is an enlarged schematic view of a portion C in fig. 5.
In the figure: 1. a terminal base; 2. a cable termination; 3. a cable body; 4. an arc-shaped pressing plate; 5. a rubber bottom support; 6. a bearing seat; 7. a placement groove; 8. an arc-shaped slot; 9. a mounting member; 91. mounting blocks; 92. mounting grooves; 93. a first bolt; 10. locking the space; 11. a multidirectional buffer member; 111. a pillar; 112. an arc-shaped elastic steel sheet; 113. a slider; 114. a chute; 115. a rubber rebound post; 12. a reset member; 121. a gear; 122. a rotating shaft; 123. a torsion spring; 124. a rack; 125. a groove; 13. a rotation stopping assembly; 131. a rubber roller; 132. a rotating arc plate; 133. a cavity; 134. a rotation port; 135. a guide bar; 136. a guide block; 137. a return spring; 14. a back-twist space; 15. a connecting member; 151. a first serrated ring plate; 152. a second toothed ring plate; 16. a rubber non-slip mat; 17. mounting a plate; 18. and a second bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
the utility model provides an anti-twist fixing device for cable, refers to fig. 1, includes terminal seat 1, and the last surface mounting of terminal seat 1 has cable terminal 2, and the one end of cable terminal 2 is connected with cable body 3.
Referring to fig. 1 and 2, a support base 6 is installed on one side of the terminal base 1, which is located on the cable terminal 2, the length direction of the support base 6 is the same as the length direction of the cable body 3, mounting plates 17 are respectively installed on two side walls of the support base 6, and the mounting plates 17 are fixed on the upper surface of the terminal base 1 through second bolts 18.
Bearing seat 6's upper surface is equipped with and sets up standing groove 7 along its length direction, standing groove 7 runs through with bearing seat 6's both sides respectively, so that cable body 3 passes, bearing seat 6's the tank bottom wall relative rather than the notch is equipped with rubber collet 5, rubber collet 5's upper surface is equipped with the arc wall that is used for bearing cable body 3, be equipped with arc clamp plate 4 on the bearing seat 6, arc clamp plate 4's both sides are equipped with installed part 9, installed part 9 is fixed at bearing seat 6's upper surface, enclose between arc clamp plate 4's the inner arc wall and the cell wall of arc wall to close and be formed with locking space 10, and then can stably fix cable body 3 in standing groove 7.
Referring to fig. 2, the mounting member 9 includes a mounting block 91 and a first bolt 93, the mounting block 91 is respectively disposed on two sides of the lower surface of the arc-shaped pressing plate 4, an installation groove 92 for inserting the mounting block 91 is disposed on two sides of the placing groove 7 on the upper surface of the bearing seat 6, threaded holes (not shown in the figure) corresponding to each other are disposed on the side wall of the mounting block 91, the groove wall of the installation groove 92 and the outside of the bearing seat 6, the mounting block 91 is fixed in the installation groove 92 by the first bolt 93, and the arc-shaped pressing plate 4 is mounted, so that the cable body 3 is fixed in the placing groove 7.
Referring to fig. 2, the lower surface of the arc-shaped pressing plate 4 is provided with a rubber anti-slip pad 16, the rubber anti-slip pad 16 is tightly abutted to the outer wall of the cable body 3, and the arrangement of the rubber anti-slip pad 16 increases the friction force between the arc-shaped pressing plate 4 and the outer wall of the cable body 3, so that the cable body 3 can be stably fixed in the placing groove 7; the rubber bottom support 5 is made of fluororubber, and the fluororubber has excellent heat resistance, oxidation resistance, oil resistance, corrosion resistance and atmospheric aging resistance, is long in service life, and further can keep good elasticity so as to stably support the cable body 3; the cooperation of rubber protection pad and rubber collet 5 can absorb, cushion the shock-absorbing effect to the power of a shock that cable body 3 produced.
Referring to fig. 2, when the cable body 3 is erected at a high altitude, in order to prevent the cable body 3 from shaking and twisting due to the influence of wind, a multidirectional buffer member 11 is arranged on the bottom wall of a placing groove 7, the multidirectional buffer member 11 is connected with a rubber collet 5 and can be used for eliminating the vibration force of the cable body 3 in multiple directions, a rotation stopping assembly 13 for preventing the cable body 3 from twisting is arranged in the placing groove 7, a back-twisting space 14 is reserved between the outer wall of the cable body 3 and the groove wall of the placing groove 7 so as to eliminate the torsion force generated by the cable body 3, the resetting of the cable body 3 is realized, and the phenomenon that the cable body 3 is damaged and generates heat due to overlarge torsion force can be prevented; the torsion-preventing fixing device with the structure is adopted, so that the stress of the cable in each direction is balanced, the lead lining effect is prevented from being damaged due to the torsion of the cable terminal, and the stability of the power transmission process is improved.
Referring to fig. 2, the multidirectional buffer 11 includes a pillar 111 disposed on the bottom wall of the placement groove 7, the top end of the pillar 111 is connected with an arc-shaped elastic steel sheet 112, the lower surface of the rubber bottom support 5 is designed to be an arc-shaped surface, so as to connect the outer arc wall of the arc-shaped elastic steel sheet 112 to the lower surface of the rubber bottom support 5 by gluing, the pillars 111 are arranged at equal intervals along the length direction of the cable body 3, the interval between the outer arc wall of the arc-shaped elastic steel sheet 112 and the bottom wall of the placement groove 7 is gradually increased from the side close to the pillar 111 to the side far from the pillar 111, the top end of the pillar 111 is connected with the outer arc wall of the arc-shaped elastic steel sheet 112, because the arc-shaped elastic steel sheet 112 has certain elasticity, when the multi-directional shock force is generated, the cable body 3 is driven to swing up and down, left and right or in an inclined direction, and simultaneously, so that the cable body 3 is reset and the damage of the lead lining effect caused by the overlarge shaking force can be avoided.
A plurality of rubber rebounding columns 115 are uniformly distributed on the outer arc wall of the arc-shaped elastic steel sheet 112 and positioned on two sides of the supporting column 111, the bottom ends of the rubber rebounding columns 115 are fixed on the bottom wall of the placing groove 7, and the length dimensions of the plurality of rubber rebounding columns 115 gradually decrease from low to high along the height direction of the bearing seat 6; rubber bounce post 115 can be to arc elastic steel sheet 112 steady support, when arc elastic steel sheet 112 took place deformation, utilized rubber bounce post 115 can increase arc elastic steel sheet 112's the resistance that produces deformation, and then reduced arc elastic steel sheet 112 and produced the probability of deformation to rubber shoe 5 stabilizes the bearing to cable body 3.
For further improving arc elastic steel sheet 112's stability, outer arc wall both ends at arc elastic steel sheet 112 all articulate and are connected with slider 113, the cell wall of standing groove 7 and the axial along pillar 111 are equipped with the spout 114 that supplies slider 113 to slide, spout 114 and slider 113's cooperation, so that arc elastic steel sheet 112 can stably take place deformation, it links to each other with slider 113 to be equipped with the piece 12 that resets in the spout 114, when making slider 113 take place the displacement, utilize the piece 12 that resets to realize the reseing to slider 113, and then drive arc elastic steel sheet 112 and reset, so that stabilize the bearing to cable body 3.
Referring to fig. 3 and 4, the chute 114 and a groove wall 125 on a side opposite to the chute opening, the reset element 12 includes a gear 121, a rotating shaft 122 connected to an axis of the gear 121, a torsion spring 123 sleeved on the rotating shaft 122, and a rack 124 disposed on a side wall of the slider 113, the rotating shaft 122 is rotatably connected to a groove wall of the groove 125, an axial direction of the rotating shaft 122 is in the same direction as a length direction of the cable body 3, one end of the torsion spring 123 is fixed to an outer wall of the rotating shaft 122, and the other end of the torsion spring 123 is fixed to a groove wall.
When the sliding block 113 slides downwards in the sliding groove 114, the rack 124 is driven to move downwards, the gear 121 is driven to rotate, the reset function of the torsion spring 123 is utilized, the rotating shaft 122 and the gear 121 can be driven to rotate, the rack 124 slides upwards to the initial position, and finally the arc-shaped elastic steel sheet 112 is reset, so that the cable body 3 is stably supported, and the phenomenon that the lead lining effect is damaged due to the overlarge swing amplitude of the cable body 3 (shown in fig. 2) is avoided.
Referring to fig. 5 and 6, the rotation stopping assembly 13 includes rubber rollers 131 located at both sides of the cable body 3, the axial direction of the rubber rollers 131 is the same as the length direction of the cable body 3, a connecting member 15 is provided between each of the two rubber rollers 131 and the outer wall of the cable body 3, and the connecting members 15 rotate synchronously.
The connecting piece 15 comprises a first sawtooth ring plate 151 and a second sawtooth ring plate 152 which are meshed with each other, the first sawtooth ring plate 151 is connected to the outer wall, located in the back-twist space 14, of the rubber roller 131 in an adhesive mode, the second sawtooth ring plate 152 is connected to the outer wall, facing the rubber roller 131, of the cable body 3 in an adhesive mode, and therefore when the cable body 3 rotates, the first sawtooth ring plate 151 and the second sawtooth ring plate 152 are meshed with each other, and the rubber roller 131 is driven to rotate synchronously; in this embodiment, the teeth of a cogwheel on first sawtooth ring board 151 and the second sawtooth ring board 152 are the rubber material, because rubber has good shock attenuation and wearability, and then has increased the frictional force between first sawtooth ring board 151 and the second sawtooth ring board 152, has reduced cable body 3 and has received wind-force and pivoted probability, has improved the stability of power transmission process.
Simultaneously, when needs installation cable body 3, personnel rotate two rubber rollers 131 to one side towards cavity 133, and then can settle cable body 3 in the arc wall, easy to assemble.
The side wall of the bearing seat 6 is provided with a cavity 133, the wall of the placing groove 7 is provided with a rotating opening 134, the outer wall of the rubber roller 131, which faces away from the cable body 3, is provided with a rotating arc plate 132, the side wall of the rubber roller 131, which is located on the rotating arc plate 132, penetrates through the rotating opening 134 and extends into the cavity 133, the circumference of the rubber roller 131, which is located in the cavity 133, accounts for 2/3 of the total circumference of the rubber roller 131, the axes of the end walls at the two sides of the rubber roller 131 are located in the cavity 133, and the end walls at the two sides of the rubber roller 131 are rotatably connected with the inner wall of the cavity.
The inner wall of cavity 133 articulates and is equipped with guide bar 135 that is the horizontality, and guide bar 135 sets up along the direction of height of bearing seat 6 relatively, and the outer arc wall both sides of revolving arc board 132 articulate and are connected with guide block 136, and guide block 136 slides on guide bar 135, and the cover is equipped with reset spring 137 on the guide bar 135, and reset spring 137's one end links to each other with guide block 136, and reset spring 137's the other end links to each other with guide bar 135 outer wall.
When the cable body 3 generates torsion and rotates, the first sawtooth ring plate 151 and the second sawtooth ring plate 152 are meshed with each other to drive the two rubber rollers 131 to synchronously rotate, so that the circular arc plate 132 rotates, the guide block 136 is hinged with the circular arc plate 132, the guide rod 135 is hinged with the inner wall of the cavity 133, the angle between the guide block 136 and the circular arc plate 132 is changed, the guide block 136 is driven to slide on the guide rod 135, and the guide block 136 is reset by utilizing the elasticity and the reset function of the reset spring 137 so that the circular arc plate 132 rotates, so that the cable body 3 is driven to be reversely twisted, and the reset of the cable body 3 is realized; this structure of ending soon through in time resetting the cable body 3 to producing torsion, can avoid cable body 3 torsion too big, and destroys the plumbous effect of warding off of junction between cable body 3 and terminal 2, has improved the stability of power transmission process.
The implementation principle of the above embodiment is as follows: at first, utilize second bolt 18 to fix the upper surface of terminal base 1 with mounting panel 17, realized the installation to bearing seat 6, then pass standing groove 7 with cable body 3, and then can stabilize the bearing to cable body 3 through the rubber collet, insert installation piece 91 in mounting groove 92 again, through first bolt 93, fix installation piece 91 in mounting groove 92, realized the installation to arc clamp plate 4 to the tight arc wall that supports of rubber slipmat.
When the vibration force in the longitudinal direction is generated, the rubber anti-skid pad 16 and the rubber bottom support 5 are used for absorbing and buffering the vibration force, so that a good damping effect is achieved; when a transverse or oblique vibration force is generated, the arc-shaped elastic steel sheet 112 deforms, and the arc-shaped elastic steel sheet 112 is hinged to the sliding block 113, so that the sliding block 113 slides in the sliding groove 114, the rack 124 is driven to slide, the fluted disc rotates at the same time, the fluted disc is reset by utilizing the resetting capability of the torsion spring 123, and the rack 124 and the sliding block 113 slide to the initial position, so that the arc-shaped elastic steel sheet 112 is reset; meanwhile, the elasticity of the rubber bottom support 5 is utilized to absorb and buffer the generated shock force, so that the phenomenon that the lead lining effect is damaged due to the overlarge shaking range of the cable body 3 can be avoided.
When the cable body 3 is rotated by torsion, the first sawtooth ring plate 151 and the second sawtooth ring plate 152 are meshed with each other to drive the two rubber rollers 131 to rotate synchronously, the revolving arc plate 132 rotates at the same time, so that the angle between the guide block 136 and the revolving arc plate 132 is changed, the guide block 136 is driven to slide on the guide rod 135, the guide block 136 is reset by the elasticity and the reset function of the reset spring 137, the revolving arc plate 132 rotates, the cable body 3 is driven to turn back, and the reset of the cable body 3 is realized; this prevent turning round fixing device for the cable is balanced in each position atress, avoids destroying the plumbous effect of warding off because of the wrench movement at cable termination, has improved power transmission process's stability.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a prevent fixing device that twists reverse for cable, includes terminal holder (1), installs cable termination (2) on terminal holder (1) and cable body (3) that link to each other with cable termination (2), its characterized in that: still include arc clamp plate (4), rubber collet (5) and install bearing seat (6) on terminal seat (1), the upper surface of bearing seat (6) is equipped with standing groove (7) that are used for holding rubber collet (5), the upper surface of rubber collet (5) is equipped with the arc wall that is used for bearing cable body (3), the both sides of arc clamp plate (4) are equipped with installed part (9), and installed part (9) are fixed at the upper surface of bearing seat (6), enclose between arc clamp plate (4) and the arc wall and close locking space (10) that are used for fixed cable body (3), the tank bottom wall of standing groove (7) is equipped with multidirectional bolster (11), and multidirectional bolster (11) link to each other with rubber collet (5), be equipped with in standing groove (7) and be used for preventing that cable body (3) twisty ends subassembly (13), it turns round space (14) to reserve between the outer wall of cable body (3) and the cell wall of standing groove (7) ) (ii) a
The rotation stopping assembly (13) comprises a rubber roller (131) and a rotary arc plate (132), wherein the rubber roller (131) is located in a back-twist space (14), the rubber roller (131) is connected with the outer wall of the cable body (3) in a gluing mode, a connecting piece (15) is arranged between the outer wall of the rubber roller (131) and the outer wall of the cable body (3), the connecting piece (15) rotates synchronously, a cavity (133) is arranged in the side wall of the bearing seat (6), a rotating opening (134) is formed in the groove wall of the placing groove (7), the side wall of the rubber roller (131) located on the rotary arc plate (132) penetrates through the rotating opening (134) and extends into the cavity (133), the end walls of two sides, located in the cavity (133), of the rubber roller (131) are rotatably connected with the inner wall of the cavity (133) through supporting shafts, a horizontal guide rod (135) is hinged to the inner wall of the cavity (133), and the guide rod (135) is arranged oppositely along the height, the outer arc wall of the rotary arc plate (132) is respectively hinged with guide blocks (136) sliding on the two guide rods (135), the guide rods (135) are sleeved with return springs (137), one ends of the return springs (137) are connected with the guide blocks (136), and the other ends of the return springs (137) are connected with the outer walls of the guide rods (135).
2. Anti-twist fixation device for cables according to claim 1, characterized in that: the multidirectional buffer piece (11) comprises a strut (111) arranged on the bottom wall of the placing groove (7), an arc-shaped elastic steel sheet (112) connected with the top end of the strut (111) and a sliding block (113) hinged with the two ends of the arc-shaped elastic steel sheet (112), the struts (111) are arranged at equal intervals along the length direction of the cable body (3), the inner arc wall of the arc-shaped elastic steel sheet (112) is connected with the lower surface of the rubber bottom support (5) by gluing, the distance between the outer arc wall of the arc-shaped elastic steel sheet (112) and the bottom wall of the placing groove (7) is gradually increased from one side close to the support column (111) to one side far away from the support column (111), a sliding groove (114) for sliding the sliding block (113) is arranged on the groove wall of the placing groove (7) along the axial direction of the support column (111), a reset piece (12) connected with the sliding block (113) is arranged in the sliding groove (114).
3. The anti-twist fixation device for cables according to claim 2, characterized in that: reset piece (12) including gear (121), pivot (122) that link to each other with gear (121), establish torsional spring (123) on pivot (122) and set up rack (124) on slider (113) lateral wall, one side cell wall of spout (114) is equipped with recess (125) that are used for holding gear (121), pivot (122) are connected with the cell wall rotation of recess (125), the one end of torsional spring (123) is fixed in pivot (122) outer wall, the cell wall at recess (125) is fixed to the other end of torsional spring (123).
4. The anti-twist fixation device for cables according to claim 2, characterized in that: the outer arc wall of arc elastic steel sheet (112) just is located the both sides equipartition of pillar (111) and is equipped with a plurality of rubber rebound posts (115), the bottom mounting of rubber rebound post (115) is at the tank bottom wall of standing groove (7).
5. Anti-twist fixation device for cables according to claim 1, characterized in that: the connecting piece (15) comprises a first sawtooth ring plate (151) which is connected to the outer wall of the rubber roller (131) in an adhesive mode and a second sawtooth ring plate (152) which is connected to the outer wall of the cable body (3) in an adhesive mode, and the first sawtooth ring plate (151) and the second sawtooth ring plate (152) are meshed with each other.
6. Anti-twist fixation device for cables according to claim 5, characterized in that: the gear teeth on the first sawtooth ring plate (151) and the second sawtooth ring plate (152) are made of rubber.
7. Anti-twist fixation device for cables according to claim 1, characterized in that: the cable is characterized in that the rubber bottom support (5) is made of fluororubber, the lower surface of the arc-shaped pressing plate (4) is provided with a rubber non-slip pad (16), and the rubber non-slip pad (16) tightly supports against the outer wall of the cable body (3).
8. Anti-twist fixation device for cables according to claim 1, characterized in that: installation piece (9) are including setting up installation piece (91) in arc clamp plate (4) lower surface both sides, the upper surface of bearing seat (6) just is located standing groove (7) both sides and is equipped with and supplies installation piece (91) male mounting groove (92), installation piece (91) are fixed in mounting groove (92) through first bolt (93).
9. Anti-twist fixation device for cables according to claim 1, characterized in that: the both sides wall of bearing seat (6) all is equipped with mounting panel (17), mounting panel (17) are fixed at the upper surface of terminal seat (1) through second bolt (18).
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| CN202010399638.2A CN111541212B (en) | 2020-05-13 | 2020-05-13 | Anti-twist fixing device for cable |
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| CN113541076B (en) * | 2021-07-16 | 2022-09-16 | 郑州祥煜电气技术有限公司 | Wedge-shaped wire clamp fixing device for conducting wire |
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