CN109167317B - Self-adjusting cable tensioning device - Google Patents
Self-adjusting cable tensioning device Download PDFInfo
- Publication number
- CN109167317B CN109167317B CN201811063458.6A CN201811063458A CN109167317B CN 109167317 B CN109167317 B CN 109167317B CN 201811063458 A CN201811063458 A CN 201811063458A CN 109167317 B CN109167317 B CN 109167317B
- Authority
- CN
- China
- Prior art keywords
- cable
- mounting
- rotary drum
- ratchet wheel
- pawl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention belongs to the field of power distribution network corollary equipment, and particularly relates to a self-adjusting cable tensioning device. The invention can set the winding and unwinding distance of the connected fixed electric wire by setting the length of the winding and unwinding cable or the winding cable, thereby adjusting the tension capacity, simultaneously realizing the self-adjusting capacity by controlling the rotating drum by the spring and resetting the resetting cable by the heavy object, namely, when the tension on the cable reaches a certain threshold value, the winding wheel is pulled to separate the rotary drum, the pawl and the inner ratchet wheel, the winding drum can rotate freely, so that the cable can be loosened, the tension of the protection mechanism can be reduced, the cable can be prevented from being broken due to overlarge instantaneous stress of the cable waiting tension structure, after the instantaneous stress disappears, the pawl returns to the original position under the action of the spring, the rotary drum and the pawl are connected with the inner ratchet wheel, the gravity of the heavy object enables the reset cable to be pulled, and meanwhile, the inner ratchet wheel or the rotary box rotates to enable the retractable cable to be recovered, so that the original tension degree of the electric wire is kept.
Description
Technical Field
The invention belongs to the field of power distribution network corollary equipment, and particularly relates to a self-adjusting cable tensioning device.
Background
During the installation of re-distribution network cables and various structures, it is often necessary to use various pre-tensioning or tensioning holding devices to achieve a particular function or effect for the respective structure. However, the existing tensioning mechanism can only realize limited tension control by using elastic structures such as springs and the like, and can not be self-adjusted according to actual needs. In practical situations, however, a more complex regulation and control mode is often needed to ensure the integrity of the functional structure of the equipment or mechanism, for example, in the process of erecting the transmission cable, the cable needs to be pulled up and kept at a certain pulling force to be suspended.
Disclosure of Invention
The invention aims to provide a self-adjusting cable tensioning device capable of adjusting the cable tensioning degree, which can automatically adjust according to the cable tensioning force and improve the cable safety.
In order to achieve the purpose, the invention adopts the following technical scheme.
A self-adjusting cable tensioning device comprises a mounting seat used for connecting structures, wherein a cylindrical mounting cavity is arranged in the mounting seat, and the edge of the mounting cavity extends to the inside of the mounting seat from the periphery to form a winding groove; one end of the cylindrical mounting cavity penetrates through the mounting seat to form a mounting opening, and a strip-shaped hole which penetrates through the mounting seat and horizontally extends from the center to the edge is dug at the other end of the mounting cavity; on the outer side of the mounting seat, the edge of the strip-shaped hole protrudes outwards to form a spring seat surrounding the strip-shaped hole; the edge of the mounting seat is provided with a leading-out port connected to the winding groove; the rotary drum extends into the mounting cavity from one side of the spring seat through the strip-shaped hole; a spring is arranged in the mounting seat, one end of the spring is fixed on the mounting seat, and the other end of the spring is propped against the rotary drum to move towards the central axis of the mounting cavity; the inner ratchet wheel is annular, a plurality of adjacent ratchets are arranged on the inner wall surface of the inner ratchet wheel, the inner ratchet wheel can be rotatably inserted into the mounting cavity, and the central axis of the inner ratchet wheel, the central axis of the mounting cavity and the central axis of the inner ratchet wheel for rotation are coaxial; the ratchet assembly is characterized by further comprising a pawl, wherein the pawl is arranged on the inner side of the inner ratchet wheel, a connecting hole is formed in the pawl and can be sleeved at one end, extending into the mounting cavity, of the rotary drum, and a ratchet group capable of being matched with the ratchet on the inner ratchet wheel is arranged on one side of the pawl; the device also comprises a cable winding and unwinding device and a reset cable; one end of a reset cable is fixed on the outer side of the inner ratchet wheel, the reset cable can be wound on the inner ratchet wheel along with the rotation of the rotating box, the other end of the reset cable penetrates out of the leading-out opening, one end of the reset cable, which penetrates out of the leading-out opening, is tied with a heavy object, the position of the reset cable, which is fixed on the inner ratchet wheel, is determined in a mode that when the rotating drum rotates and the heavy object falls to the lowest position, the ratchets on the inner ratchet wheel rotate to the position farthest away from the strip-shaped holes, and the ratchets on the inner; one end of the cable is fixed on the drum, the other end of the cable is connected with a cable or a rope to be tensioned, and the cable is wound on the surface of the drum outside the mounting seat along with the rotation of the drum; the winding directions of the retractable cable and the reset cable are opposite.
The inner ratchet wheel and the rotating box are connected together through the ratchet wheel connecting grooves and the ratchet wheel connecting strips, the inner ratchet wheel rotates in the mounting cavity along with the rotating box, and one end of the reset cable is fixed and wound on the rotating box instead of being fixed or wound on the inner ratchet wheel. For guaranteeing that the device uses smoothly, prevent to reset that ratchet and pawl's in the cable twines the back influence bite and close the effect repeatedly, set up rotatory box and protect it, utilize rotatory and as the structure of connecting with the winding cable that resets simultaneously, improve the structural stability of device.
The sealing cover is covered outside the mounting hole of the mounting seat, the sealing cover is provided with a mounting hole, the outer side of the mounting hole is provided with a threaded hole corresponding to the mounting hole, and the sealing cover is fixedly connected to the mounting seat through a bolt group; a bearing mounting seat is arranged on one side, facing the mounting opening, of the sealing cover, a rotating bearing is arranged in the bearing mounting seat, a bearing mounting column is arranged on one side, facing the sealing cover, of the rotating box, the rotating bearing can be sleeved on the bearing mounting column, and the central axis of the bearing mounting column is coaxial with the central axis of the rotating box; one end of the rotary drum extending into the mounting cavity is correspondingly provided with a coaxial fixing threaded hole; the ratchet wheel also comprises a disk-shaped end cover, wherein a threaded column is arranged at one large end of the end cover, and the threaded column is screwed into the fixed threaded hole to enable the pawl and the rotary drum to synchronously rotate. Utilize closing cap and end cover to make structures such as inside ratchet, pawl keep apart with external environment, through improving rotatory box structure, strengthen the support intensity of ratchet and rotatory box both sides for ratchet and rotatory box are rotatory nature, prevent that both sides atress is inhomogeneous to lead to blocking, improve the ease for use of device.
The further improvement content to above-mentioned scheme is that the bar hole is oval bar hole, still includes the sliding block, and the sliding block center sets up porosely and can overlap and establish on the rotary drum, and the width of sliding block is the same with bar hole width in order can slide in the bar hole, and the one end of spring is fixed in the spring holder and is kept away from one side of mount pad central line, and the other end supports the sliding block and supports the rotary drum with indirect support and make it move to installation cavity center pin direction. Utilize the sliding block to simplify structural design and use the degree of difficulty, the more convenient adjusting spring elasticity of being convenient for and then control pretightning force size because in the outdoor use, the spring receives the external factor to influence easy deformation or elasticity change influence result of use, consequently sets up the sliding block and can be convenient for regularly to the spring inspect maintain or the replacement, improves the efficiency of the maintenance work of device.
The further improvement content to above-mentioned scheme is, be provided with the connecting seat on the mount pad, be provided with a plurality of holes that are used for being connected with the basis on the connecting seat, the basis is the fixed mounting's that can be used to on the electric wire netting pole cross arm, connecting rod, cement basis. The device must be securely fixed and attached to a stable structure to remain stationary when subjected to various forces.
The rotary drum is further improved by arranging a blocking ring on the rotary drum, the blocking ring is of an annular structure sleeved on the rotary drum, the blocking ring abuts against the outer end face of the spring seat to prevent the rotary drum from continuously extending into the spring seat after the rotary drum is installed, and the rotary drum is provided with a buckle structure for fixing the blocking ring; the edge of one end of the rotary drum, which is positioned outside the mounting seat, protrudes to form a circular flange, one end of the rotary drum, which extends into the mounting cavity, is provided with a pawl connecting strip, the inner wall of a hole in the pawl is provided with a pawl connecting groove, and the pawl connecting strip and the pawl connecting groove can be mutually matched to enable the pawl and the rotary drum to synchronously rotate.
The beneficial effects are that:
the invention relates to a self-adjusting cable tensioning device, which can set the winding and unwinding distance of a connected fixed cable by setting the length of a winding and unwinding cable or a winding cable, further adjust the tensioning capacity, simultaneously utilize a spring to control a rotary drum and utilize a weight to reset the reset cable to realize the self-adjusting capacity, namely when the tensioning force on the winding and unwinding cable reaches a certain threshold value (the threshold value is controlled by the elastic force of the spring), a winding wheel is pulled to separate the rotary drum, a pawl and an inner ratchet wheel, the rotary drum can freely rotate, the winding and unwinding cable is loosened, the tensioning force of a protected mechanism is reduced, the cable is prevented from being broken due to overlarge instantaneous stress of a tensioning structure, after the instantaneous stress disappears, the tensioning force is reduced, the pawl returns to the original position under the action of the spring, the rotary drum and the pawl are connected with the inner ratchet wheel, the gravity of the weight promotes the reset cable to pull, the original tension degree of the electric wire is kept, and potential safety hazards caused by falling of the electric wire are prevented. The invention can be used in the section with frequent short-time strong wind or multiple accidents at the intersection, prevents the accident of the wire being pulled off due to the strong wind or the sudden tightening after being hung by the vehicle, can further improve the stability of the power grid and improve the power utilization safety.
Drawings
FIG. 1 is a first schematic assembly view of an embodiment of the self-adjusting cable tensioner of the present invention;
FIG. 2 is a second schematic assembly view of an embodiment of the self-adjusting cable tensioner of the present invention;
FIG. 3 is a first schematic structural view of a mounting block of the self-adjusting cable tensioner of the present invention;
FIG. 4 is a second schematic structural view of the mounting block of the self-adjusting cable tensioner of the present invention.
Detailed Description
The invention is described in detail below with reference to specific embodiments.
As shown in fig. 1-4, the self-adjusting cable tensioner of the present invention comprises a mounting base 1 for connecting structures, wherein a cylindrical mounting cavity 1a is provided inside the mounting base 1, and the edge of the mounting cavity 1a extends to the inside of the mounting base 1 to form a winding slot 1 b; in this embodiment, the shape of the mounting seat is a disk shape similar to the shape of the mounting cavity in the present embodiment for the purpose of saving materials, but the shape may be freely set according to actual needs and the state of the mounting space, and may be a block shape, a plate shape, or the like. One end of the cylindrical installation cavity 1a penetrates through the installation seat 1 to form an installation opening 1c, and a strip-shaped hole 1d which penetrates through the installation seat 1 and horizontally extends from the center to the edge is dug in the bottom of the installation cavity 1 a; on the outer side of the mounting seat 1, the edge of the strip-shaped hole 1d protrudes outwards to form a spring seat 1f surrounding the strip-shaped hole 1 d; the edge of the mount 1 is provided with an outlet 1g connected to the winding groove 1 b. Wherein the installation cavity is used for the installation box to protect inner structure, and the winding groove is used for accomodating the cable that resets of after-going well coiling around interior ratchet or rotatory box outside, prevents its and installation cavity inner wall friction, and as required, the degree of depth and the width in winding groove can freely set up.
Wherein, bar hole 1d is oval bar hole 1d, still includes sliding block 6 in this embodiment, and sliding block 6 center sets up porose 6a and establishes on rotary drum 5 with the cover, and sliding block 6's width is the same with bar hole 1d width in order can slide in bar hole 1d, and the one end of spring is fixed in one side that 1 central line of mount pad was kept away from to spring holder 1f, and the other end supports sliding block 6 and supports rotary drum 5 with the indirect and make it remove to installation cavity 1a center pin direction. It will be appreciated that in the present invention, the spring chamber is in a compressed state and when the drum is centered in the mounting chamber, the spring is compressed but still compressed enough to allow the drum to move within the slotted aperture.
As shown in fig. 1 and 2, the present embodiment further includes a cylindrical rotating barrel 5, and the rotating barrel 5 extends into the installation cavity 1a from the spring seat 1f side through the strip-shaped hole 1 d; a spring is arranged in the mounting seat 1, one end of the spring is fixed on the mounting seat 1, and the other end of the spring is propped against the rotary drum 5 to enable the rotary drum to move towards the central axis of the mounting cavity 1 a; the inner ratchet wheel 2 is annular, a plurality of adjacent ratchets 2a are arranged on the inner wall surface of the inner ratchet wheel 2, the inner ratchet wheel 2 can be rotatably inserted into the installation cavity 1a, and the central axis of the inner ratchet wheel 2, the central axis of the installation cavity 1a and the rotating central line of the inner ratchet wheel 2 are coaxial; the embodiment also comprises a pawl 3, the pawl 3 is arranged on the inner side of the inner ratchet wheel 2, a connecting hole is formed in the pawl 3 so as to be sleeved at one end, extending into the mounting cavity 1a, of the rotary drum 5, and a ratchet group 3a which can be matched with the ratchet 2a on the inner ratchet wheel 2 is arranged on one side of the pawl 3; the rotary drum 5 is further provided with a limiting ring 8, the limiting ring 8 is an annular structure sleeved on the rotary drum 5, the limiting ring 8 abuts against the outer end face of the spring seat 1f to prevent the rotary drum 5 from continuing to extend into the rotary drum 5 after the rotary drum 5 is installed, the rotary drum 5 is provided with a buckle structure for fixing the limiting ring 8, specifically, the rotary drum comprises a blocking ring 5d and a limiting ring connecting strip 5f which are arranged on the rotary drum 5, and the inner wall of the limiting ring 8 is provided with a limiting ring connecting groove 8a matched with the limiting ring connecting strip 5 f; the edge of one end of the rotary drum 5, which is positioned outside the mounting seat 1, is protruded to form a circular flange 5e, one end of the rotary drum 5, which extends into the mounting cavity 1a, is provided with a pawl connecting strip 5b, the inner wall of a hole in the pawl 3 is provided with a pawl connecting groove 3b, and the pawl connecting strip 5b and the pawl connecting groove 3b can be mutually matched to enable the pawl 3 and the rotary drum 5 to synchronously rotate.
As shown in fig. 1 and fig. 2, the present embodiment further includes a rotating box 4, the rotating box 4 is a cylindrical end cover structure, one circular end of the rotating box 4 is open and can rotate to extend into the installation opening 1a, a ratchet connection groove 4a is provided on an inner wall of the rotating box 4, a ratchet connection strip 2b matched with the inner ratchet 2 is provided on an outer wall of the inner ratchet 2, the inner ratchet 2 and the rotating box 4 are connected together through the ratchet connection groove 4a and the ratchet connection strip 2b, and the inner ratchet 2 rotates in the installation cavity 1a along with the rotating box 4. Specifically, as shown in the drawings, the ratchet connecting bar and the ratchet connecting groove in the present invention are bar structures uniformly arranged on the outer surface of the inner ratchet and the inner surface of the rotary case to facilitate quick alignment installation.
As shown in fig. 1 and fig. 2, the present embodiment further includes a cover 9, the cover 9 covers the mounting opening 1c of the mounting base 1, the cover 9 is provided with a mounting hole 9b, a threaded hole 1h corresponding to the mounting hole 9b is provided outside the mounting opening 1c, and the cover 9 is fixedly connected to the mounting base 1 through a bolt set; a bearing mounting seat 9a is arranged on one side, facing the mounting opening 1c, of the sealing cover 9, a rotating bearing 10 is arranged in the bearing mounting seat 9a, a bearing mounting column 4b is arranged on one side, facing the sealing cover 9, of the rotating box 4, the rotating bearing 10 can be sleeved on the bearing mounting column 4b, and the central shaft of the bearing mounting column 4b is coaxial with the central shaft of the rotating box 4; the end of the rotary drum 5 extending into the mounting cavity 1a is correspondingly provided with a coaxial fixing threaded hole 5 c.
As shown in fig. 1 and 2, the present embodiment further includes a disk-shaped end cap 7, and a large end of the end cap 7 is provided with a threaded post 7a, and the threaded post 7a is screwed into the fixed threaded hole to rotate the pawl 3 and the drum 5 synchronously.
The embodiment also comprises a cable winding and unwinding device and a reset cable (not shown in the figure); one end of a reset cable is fixed on the outer side of the inner ratchet wheel 2, the reset cable can be wound to the outer circular surface of the inner ratchet wheel 2 along with the rotation of the rotating box 4 and is arranged in the winding groove, the other end of the reset cable penetrates out of the leading-out port 1g, one end of the reset cable penetrating out of the leading-out port 1g is tied with a heavy object, the position of the reset cable fixed on the inner ratchet wheel 2 is determined in a mode that when the rotary drum 5 rotates and the heavy object falls to the lowest position, the ratchet 2a on the inner ratchet wheel 2 rotates to the position farthest away from the strip-shaped hole 1d, and the ratchet 2a on the ratchet wheel 2 is positioned on the side, opposite; one end of the cable is fixed on the rotary drum 5, the other end of the cable is connected with the cable or the rope to be tensioned, and the cable is wound on the surface of the rotary drum 5, which is positioned outside the mounting seat 1, along with the rotation of the rotary drum 5; the winding directions of the retractable cable and the reset cable are opposite.
The further improvement content of the scheme is that the mounting seat 1 is provided with a connecting seat 1e, the connecting seat is provided with a plurality of holes used for being connected with a foundation, and the foundation refers to a cross arm, a connecting rod and a cement foundation which can be used for fixed mounting on a power grid tower pole.
In the specific implementation process, the compressed spring enables the rotary drum to be located in the center of the installation cavity under the normal condition, meanwhile, the pawl and the inner ratchet wheel are mutually meshed, the tension force borne on the rotary drum is larger than the spring force, the rotary drum moves along the strip-shaped hole, the pawl is separated from the inner ratchet wheel, the rotary drum can freely rotate until the spring force exceeds the tension force, the rotary drum is pressed back to the central position, and the heavy object and the reset cable pull the inner ratchet wheel, the pawl and the rotary drum to overturn so that the retractable cable is wound on the rotary drum again.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, 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 can 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.
Claims (6)
1. The self-adjusting cable tensioning device is characterized by comprising a mounting seat for connecting structures, wherein a cylindrical mounting cavity is arranged in the mounting seat, and the edge of the mounting cavity extends to the inside of the mounting seat to form an annular winding groove; one end of the mounting cavity penetrates through the mounting seat to form a mounting opening, and a strip-shaped hole which penetrates through the mounting seat and horizontally extends from the center to the edge is dug at the other end of the mounting cavity; on the outer side of the mounting seat, the edge of the strip-shaped hole protrudes outwards to form a spring seat surrounding the strip-shaped hole; the edge of the mounting seat is provided with a leading-out port connected to the winding groove;
the rotary drum extends into the mounting cavity from one side of the spring seat through the strip-shaped hole; a spring is arranged in the mounting seat, one end of the spring is fixed on the mounting seat, and the other end of the spring is propped against the rotary drum to move towards the central axis of the mounting cavity;
the inner ratchet wheel is annular, a plurality of adjacent ratchets are arranged on the inner wall surface of the inner ratchet wheel, the inner ratchet wheel can be rotatably inserted into the mounting cavity, and the central axis of the inner ratchet wheel, the central axis of the mounting cavity and the central axis of the inner ratchet wheel for rotation are coaxial;
the ratchet assembly is characterized by further comprising a pawl, wherein the pawl is arranged on the inner side of the inner ratchet wheel, a connecting hole is formed in the pawl and can be sleeved at one end, extending into the mounting cavity, of the rotary drum, and a ratchet group capable of being matched with the ratchet on the inner ratchet wheel is arranged on one side of the pawl;
the device also comprises a cable winding and unwinding device and a reset cable; one end of the reset cable is fixed on the outer side of the inner ratchet wheel, the reset cable can be wound on the inner ratchet wheel along with the rotation of the rotating box, the other end of the reset cable penetrates out of the outlet, one end of the reset cable penetrating out of the outlet is tied with a heavy object, and the fixed position of the reset cable on the inner ratchet wheel is determined in a mode that when the inner ratchet wheel rotates to the lowest position when the heavy object falls to the lowest position, the ratchet on the inner ratchet wheel rotates to the position farthest away from the strip-shaped hole, and the ratchet on the inner ratchet wheel is positioned on the side opposite to the extending direction of the strip-; one end of the cable is fixed on the drum, the other end of the cable is connected with a cable or a rope to be tensioned, and the cable is wound on the surface of the drum outside the mounting seat along with the rotation of the drum; the winding directions of the retractable cable and the reset cable are opposite.
2. The self-adjusting cable tensioner of claim 1, further comprising a rotating casing, wherein the rotating casing is a cylindrical end cap structure, one end of the rotating casing is open and can rotate to extend into the mounting opening, the inner wall of the rotating casing is provided with a ratchet connection slot, the outer wall of the inner ratchet is provided with a ratchet connection strip matched with the inner ratchet, the inner ratchet and the rotating casing are connected together through the ratchet connection slot and the ratchet connection strip, the inner ratchet rotates in the mounting cavity along with the rotating casing, and one end of the reset cable is changed from being fixed or wound on the inner ratchet to being fixed or wound on the rotating casing.
3. The self-adjusting cable tensioning device according to claim 2, further comprising a cover, wherein the cover covers the outside of the mounting opening of the mounting seat, the cover is provided with a mounting hole, a threaded hole corresponding to the mounting hole is formed in the outer side of the mounting opening, and the cover is fixedly connected to the mounting seat through a bolt group;
a bearing mounting seat is arranged on one side, facing the mounting opening, of the sealing cover, a rotating bearing is arranged in the bearing mounting seat, a bearing mounting column is arranged on one side, facing the sealing cover, of the rotating box, the rotating bearing can be sleeved on the bearing mounting column, and the central axis of the bearing mounting column is coaxial with the central axis of the rotating box; one end of the rotary drum extending into the mounting cavity is correspondingly provided with a coaxial fixing threaded hole;
the ratchet wheel also comprises a disk-shaped end cover, wherein a threaded column is arranged at one large end of the end cover, and the threaded column is screwed into the fixed threaded hole to enable the pawl and the rotary drum to synchronously rotate.
4. The self-adjusting cable tensioning device of claim 1, wherein the bar-shaped hole is an oval bar-shaped hole, and further comprising a sliding block, the sliding block is provided with a hole at the center thereof so as to be sleeved on the rotating drum, the sliding block has a width equal to that of the bar-shaped hole so as to be slidable in the bar-shaped hole, one end of the spring is fixed on one side of the spring seat away from the center line of the mounting seat, and the other end of the spring abuts against the sliding block so as to indirectly abut against the rotating drum and move towards the center axis of.
5. The self-adjusting cable tensioner according to claim 1 or 2, wherein the mounting seat is provided with a connecting seat, the connecting seat is provided with a plurality of holes for connecting with a foundation, and the foundation refers to a cross arm, a connecting rod and a cement foundation which can be fixedly installed on a power grid tower pole.
6. The self-adjusting cable tensioning device according to claim 1 or 2, wherein the rotary drum is further provided with a blocking ring, the blocking ring is an annular structure sleeved on the rotary drum, the blocking ring abuts against the outer end face of the spring seat to prevent the rotary drum from extending into the spring seat continuously after the rotary drum is installed, and the rotary drum is provided with a clamping structure for fixing the blocking ring;
the edge of one end of the rotary drum, which is positioned outside the mounting seat, protrudes to form a circular flange, one end of the rotary drum, which extends into the mounting cavity, is provided with a pawl connecting strip, the inner wall of a hole in the pawl is provided with a pawl connecting groove, and the pawl connecting strip and the pawl connecting groove can be mutually matched to enable the pawl and the rotary drum to synchronously rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811063458.6A CN109167317B (en) | 2018-09-12 | 2018-09-12 | Self-adjusting cable tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811063458.6A CN109167317B (en) | 2018-09-12 | 2018-09-12 | Self-adjusting cable tensioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109167317A CN109167317A (en) | 2019-01-08 |
| CN109167317B true CN109167317B (en) | 2020-06-30 |
Family
ID=64894836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811063458.6A Active CN109167317B (en) | 2018-09-12 | 2018-09-12 | Self-adjusting cable tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109167317B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110921442A (en) * | 2019-12-18 | 2020-03-27 | 刘莲芬 | Cable winding and unwinding device based on planetary gear transmission principle |
| CN111952889B (en) * | 2020-08-26 | 2021-09-07 | 贵州首为电线电缆有限公司 | Cable tensioning device |
| CN115123877B (en) * | 2021-03-24 | 2024-05-14 | 上海连成（集团）有限公司 | Antiwind spiral device |
| CN113235382B (en) * | 2021-04-21 | 2023-07-18 | 威海昇和道路工程有限公司 | Highway engineering is with melting marking off machine |
| CN113777792B (en) * | 2021-09-17 | 2024-02-06 | 深圳市恒必达电子科技有限公司 | AR (augmented reality) glasses device for inquiring pipeline circuit based on infrared thermal imaging |
| CN114043287A (en) * | 2021-11-18 | 2022-02-15 | 杭州职业技术学院 | Clamp for processing coupler |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793345Y (en) * | 2004-06-07 | 2006-07-05 | 利滕斯汽车公司 | Belt tensioner |
| CN101172479A (en) * | 2006-11-02 | 2008-05-07 | 胡戈克恩和利伯斯两合公司板簧生产厂 | Device for winding a safety belt |
| CN107077893A (en) * | 2014-05-29 | 2017-08-18 | 辉光能源公司 | Electricity generation system and its correlation technique |
| CN207218189U (en) * | 2017-08-08 | 2018-04-10 | 楼秀娣 | A kind of cable expansion buffer unit |
| JP2018061313A (en) * | 2016-10-03 | 2018-04-12 | 中国電力株式会社 | High voltage drop wire fixing tool |
| CN108349013A (en) * | 2015-08-10 | 2018-07-31 | 伊利诺斯工具制品有限公司 | Cutting element for major diameter traveling pipe fitting cutter |
-
2018
- 2018-09-12 CN CN201811063458.6A patent/CN109167317B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793345Y (en) * | 2004-06-07 | 2006-07-05 | 利滕斯汽车公司 | Belt tensioner |
| CN101172479A (en) * | 2006-11-02 | 2008-05-07 | 胡戈克恩和利伯斯两合公司板簧生产厂 | Device for winding a safety belt |
| CN107077893A (en) * | 2014-05-29 | 2017-08-18 | 辉光能源公司 | Electricity generation system and its correlation technique |
| CN108349013A (en) * | 2015-08-10 | 2018-07-31 | 伊利诺斯工具制品有限公司 | Cutting element for major diameter traveling pipe fitting cutter |
| JP2018061313A (en) * | 2016-10-03 | 2018-04-12 | 中国電力株式会社 | High voltage drop wire fixing tool |
| CN207218189U (en) * | 2017-08-08 | 2018-04-10 | 楼秀娣 | A kind of cable expansion buffer unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109167317A (en) | 2019-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109167317B (en) | Self-adjusting cable tensioning device | |
| US20110120823A1 (en) | Retracta Belt Brake System | |
| KR101187186B1 (en) | Safety rope device for telegraph pole | |
| JPS58138887A (en) | Drawing apparatus | |
| JP5277323B2 (en) | Equipment fixing device for outdoor aerial cable | |
| CN210289332U (en) | Insulating cross arm | |
| CN218406401U (en) | Safety protection cage for high-altitude operation | |
| CN218058006U (en) | Charging gun wire winding and unwinding device of charging pile and charging pile | |
| CN216016277U (en) | Device for preventing circuit from bouncing in circuit unfolding | |
| CN114243611B (en) | Emergency anti-galloping control device for power transmission line | |
| KR101327472B1 (en) | Hanger device having function of tension maintance and length adjustment of supporting wire | |
| KR102243951B1 (en) | Supporting Equipment For Overhead Transmission | |
| CN209187945U (en) | The safe fixed mechanism of building fire hazard escape forced landing device | |
| CN220764656U (en) | Floating type photovoltaic mooring device capable of automatically adjusting length | |
| CN117691531B (en) | Cable installation device of electric power iron tower | |
| CN117578734A (en) | Electric power communication tower appurtenance convenient to maintenance | |
| CN217263784U (en) | Paying-off device | |
| CN206088586U (en) | Reeling and unreeling device | |
| CN211018035U (en) | Insulating operating rod | |
| CN112909782B (en) | Electric intelligent switch cabinet | |
| CN219892810U (en) | Power transmission and transformation circuit tightener | |
| CN216714054U (en) | Fence convenient to adjust wire rope length | |
| CN218685799U (en) | Novel artificial high-altitude anti-falling structure for building | |
| CN114655796B (en) | Communication cable mounting bracket for tunnel | |
| CN211687762U (en) | Overhead conductor guiding pay-off rack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |