Automatic direction change pendulum type rotary drive ratchet for indirect live line

Abstract

The present invention relates to a rotary drive ratchet used in a wire tensioner or tensioner, and more particularly, to an automatic direction-changing pendulum type rotary drive ratchet for indirect live wire, which is configured to adjust the rotation of the pendulum drive shaft in the forward or reverse direction by the operation of an automatic reversing pole and a pendulum drive shaft operating plate due to the reciprocating motion of the pendulum without the operation of a direction-changing lever when winding or unwinding the wire tensioner or tensioner, thereby allowing the pendulum drive shaft to automatically rotate in the forward or reverse direction by operating a rotation lever using a stick for indirect live wire without a separate operation for changing the direction of rotation. In addition, the present invention relates to an automatic direction-changing pendulum type rotary drive ratchet for indirect live wire, which is configured to drive the pendulum drive shaft by a backstop ratchet ring operated by a multi-angle bundle pole, thereby preventing rotation in the reverse direction and, conversely, preventing a backlash phenomenon during the reverse rotation drive process, thereby enabling a solid rotation drive.

Description

[Technical Field]

[0001] The present invention relates to a rotary drive ratchet used in a wire tensioner or tensioner, and more particularly to an automatic direction-changing pendulum-type rotary drive ratchet for indirect live wires that uses an indirect live wire stick without a separate operation for changing the rotation direction, automatically adjusts the rotation direction by operating a rotation lever, and prevents reverse rotation. [Background technology]

[0002] Generally, live-line work refers to work carried out on power lines while power is being transmitted without a power outage. Because live-line work poses a high risk of safety accidents, it is carried out in places where it is difficult to cut off power, such as power transmission and distribution facilities, and workers who perform live-line work must always wear insulating protective gear or protective equipment.

[0003] Live-line work on power lines can be divided into direct live-line work and indirect live-line work. Indirect live-line work is an indirect method of work using insulated tools such as hot sticks. While indirect live-line work is safe, it has the disadvantage of taking a long time to complete the work.

[0004] Direct live-line work is a method in which workers wear insulated gloves and work directly in contact with live electric wires inside an insulated bucket. While direct live-line work is simple and saves time, it has the disadvantage of being prone to electric shock and often resulting in loss of life. Live-line work includes inspecting, repairing, replacing, and cleaning electric line components such as support insulators, and either direct live-line work or indirect live-line work can be used appropriately depending on the type of work.

[0005] Meanwhile, wire tensioners are widely used in various live-line work. Such wire tensioners are tools used to pull or unwind electric wires to obtain a dip suitable for stringing and adjusting slack in live-line work, and can be used by adjusting the forward and reverse rotation of a drum around which a rope or wire is wound. The forward and reverse rotation of the drum is made possible by a rotating device such as a ratchet connected to the drum.

[0006] That is, as an example, as shown in FIG. 1, a conventional rotation device 10 can be adjusted by adjusting the rotation direction of a ratchet wheel 12 to which a belt drum 11 is coupled. A pair of ratchets 13, 13' for rotating the ratchet wheel 12 in the forward or reverse direction is formed on both sides of the ratchet wheel 12, and the ratchets 13, 13' are connected to a direction-changing lever 15 connected via a link member 14. When the direction-changing lever 15 is operated to change direction, one of the ratchets 13, 13' engages with the ratchet wheel 12, thereby rotating the ratchet wheel 12 in the forward or reverse direction.

[0007] However, in the case of the rotation device attached to the conventional wire tensioner or tensioner, in order to adjust the rotation direction in the forward or reverse direction for winding or unwinding, a direction change lever must be operated to adjust the rotation direction in the forward or reverse direction. This operation is very inconvenient, and an operator must operate it in close proximity, which poses a problem of exposure to safety accidents. [Prior art documents] [Patent documents]

[0008] [Patent Document 1] Korean Utility Model Registration No. 20-0314862 [Patent Document 2] Korean Patent Registration No. 10-2161405 Summary of the Invention [Problem to be solved by the invention]

[0009] The present invention has been made to solve the above-mentioned problems, and aims to provide an automatic direction-changing pendulum rotary drive ratchet for indirect live wires, which is configured so that when winding or unwinding a wire tensioner or tensioner, the forward or reverse rotation of the pendulum drive shaft can be adjusted by operating the automatic reversing pole and pendulum drive shaft operating plate due to the reciprocating motion of the pendulum without operating the direction-changing lever, thereby allowing the indirect live wire stick to be used easily and the forward or reverse reversing rotation of the pendulum drive shaft to be automatically performed by operating the rotation lever without a separate operation to change the rotation direction.

[0010] Another object of the present invention is to provide an automatic direction-changing pendulum rotary drive ratchet for indirect live wires, which prevents reverse rotation by configuring the pendulum drive shaft to be driven by a backstop ratchet ring operated by a multi-angle bundle pole, and conversely, prevents backlash during the reverse rotation drive process, thereby ensuring reliable rotary drive. [Means for solving the problem]

[0011] As a specific means for achieving the above object, a body having a lever shaft portion formed on one side thereof,

[0012] a rotary operating shaft provided on the lever shaft portion and having a rotary knob; a cam formed at a position eccentric from the center at the tip of the rotary operating shaft; On the front side of a rotary actuating lever including a rotary actuating tool rotatably coupled to the rotary actuating shaft, a floating elongated hole formed in the circumferential direction, and a locking protrusion provided on the periphery, and a buffer key connecting the rotary actuating shaft and the rotary actuating tool;

[0013] a pendulum drive shaft that is pivotally installed on the other side of the body and penetrates the body in the front-rear direction;

[0014] a clutch unit coupled to the periphery of the pendulum drive shaft at the front side of the body, for preventing the inner ring from rotating in the reverse direction and for rotating the pendulum drive shaft in the forward or reverse direction by the simultaneous reverse rotation of the inner and outer rings;

[0015] a pendulum drive shaft operating plate coupled to the periphery of the pendulum drive shaft on the front side of the clutch unit and having a sawtooth portion formed around the periphery of a middle portion thereof;

[0016] a pendulum coupled to the rear side of the pendulum drive shaft operating plate, protruding to one side and having a horizontal long hole for receiving the cam, which performs a reciprocating pendulum motion around the pendulum drive shaft by the operation of the cam, and having an automatic reversal pole mounting groove formed on the front surface between the rotary operating shaft and the pendulum drive shaft operating plate;

[0017] a support plate that penetrates the front periphery of the pendulum drive shaft operating plate, is connected to the pendulum, and protrudes to one side;

[0018] an automatic reversing pole having a pole shaft coupled to the automatic reversing pole mounting groove, interfering with the pendulum drive shaft operating plate and rotating back and forth to apply a reversing rotation force to the pendulum drive shaft operating plate in the forward or reverse direction;

[0019] a pole reversal key coupled to the pole shaft together with the automatic reversal pole, protruding from the support plate to one side, interfering with a locking protrusion when the rotation actuator rotates to apply a reciprocating rotation force to the automatic reversal pole, and having first and second reversal key spring balls elastically mounted thereon, the circumferences of which are symmetrical with respect to the pole shaft, and having a force for maintaining horizontality;

[0020] a pendulum drive shaft rotating lever coupled to the pendulum drive shaft and the pendulum drive shaft operating plate in front of the pendulum drive shaft operating plate.

[0021] Here, the clutch portion is configured as a backstop ratchet ring,

[0022] The backstop ratchet ring

[0023] a ring-shaped outer ring having an inner ring mounting hole formed at the center, an outer ring sawtooth portion formed on the inner peripheral surface of the inner ring mounting hole, and stopping grooves formed at regular intervals around the periphery;

[0024] an inner ring having a ring-shaped shaft hole at its center, through which the pendulum drive shaft is coupled, the inner ring being mounted in the inner ring mounting hole of the outer ring, and having a number of bundle pole mounting grooves formed at regular intervals around its periphery;

[0025] a multi-angle bundle pole unit that is resiliently installed in the bundle pole mounting groove via a spring and operates to advance and retract, and that engages with the outer ring sawtooth portion of the outer ring to apply a rotational force in one direction;

[0026] a rotation prevention lever formed on the body, which controls rotation or stopping of the outer ring by interfering with or being released from a stopping groove of the outer ring;

[0027] The multi-angle bundle pole unit is

[0028] a plurality of sets of first, second and third multi-angle bundle poles;

[0029] This can be achieved by configuring the first, second and third multi-angle bundle poles to sequentially mesh with the outer ring sawtooth portion of the outer ring at positions of different angles from each other. [Effects of the Invention]

[0030] As described above, the automatic direction changing pendulum type rotary drive ratchet for indirect live line use according to the present invention can automatically rotate the pendulum drive shaft operating plate in the forward or reverse direction by simply adjusting the rotation direction of the rotary operating shaft using the stick for live line work, thereby achieving the effect of automatically rotating the pendulum drive shaft in the forward or reverse direction in an easy and convenient manner during indirect live line work without any separate operation for changing the rotation direction.

[0031] In addition, the backstop ratchet ring prevents the pendulum drive shaft from rotating in the reverse direction and prevents backlash when driving in the reverse direction, ensuring stable bidirectional reversible rotation and ensuring the safety of the device. [Brief explanation of the drawings]

[0032] [Figure 1] 1 is a schematic diagram showing a direction change and rotation device of a conventional wire tensioner. [Figure 2] 1 is a perspective view of an automatic direction-changing pendulum-type rotary drive ratchet for indirect hot wires according to the present invention; FIG. [Figure 3] 1 is a plan sectional view of an automatic direction-changing pendulum-type rotary drive ratchet for indirect live wires according to the present invention; FIG. [Figure 4] FIG. 1 is a front cross-sectional view of a main part of an automatic direction-changing pendulum-type rotary drive ratchet for indirect live lines according to the present invention. [Figure 5] 1 is a diagram showing an embodiment of a clutch portion of an automatic direction-changing pendulum-type rotary drive ratchet for indirect live lines according to the present invention; [Figure 6] 1 is a diagram showing an embodiment of a clutch portion of an automatic direction-changing pendulum-type rotary drive ratchet for indirect live lines according to the present invention; [Figure 7] 1 is a diagram showing an embodiment of a clutch portion of an automatic direction-changing pendulum-type rotary drive ratchet for indirect live lines according to the present invention; [Figure 8] 1 is a diagram showing an embodiment of a clutch portion of an automatic direction-changing pendulum-type rotary drive ratchet for indirect live lines according to the present invention; [Figure 9] 1 is a diagram showing an embodiment of a clutch portion of an automatic direction-changing pendulum-type rotary drive ratchet for indirect live lines according to the present invention; [Figure 10] 1 is a diagram showing the main parts of the pendulum, automatic reversing pole, and pole reversing key of the automatic direction changing pendulum type rotary drive ratchet for indirect live line use according to the present invention. [Figure 11] FIG. 2 is a diagram showing the use state of the automatic direction-changing pendulum-type rotary drive ratchet for indirect live wires according to the present invention. [Figure 12] FIG. 2 is a diagram showing the use state of the automatic direction-changing pendulum-type rotary drive ratchet for indirect live wires according to the present invention. [Figure 13] 1 is a diagram showing the forward operating state of the automatic direction changing pendulum type rotary drive ratchet for indirect hot line use according to the present invention; FIG. [Figure 14] FIG. 10 is a diagram showing the forward operation state of the backstop ratchet ring of the automatic direction changing pendulum type rotary drive ratchet for indirect hot line use according to the present invention; [Figure 15] 1 is a reverse operation state diagram of the automatic direction changing pendulum type rotary drive ratchet for indirect hot line according to the present invention; FIG. [Figure 16] FIG. 10 is a reverse operation state diagram of the backstop ratchet ring of the automatic direction changing pendulum type rotary drive ratchet for indirect live line according to the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0033] The terms and words used in this specification and claims should not be interpreted in a limited way to their ordinary or dictionary meanings, but should be interpreted in a way that is consistent with the technical idea of ​​the present invention, based on the principle that an inventor can appropriately define the concept of a term in order to best describe his or her invention.

[0034] Therefore, it should be understood that the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiment of the present invention and do not fully represent the technical ideas of the present invention, and that there may be various equivalents and modifications that can replace them at the time of this application.

[0035] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0036] FIG. 2 is a perspective view of an automatic direction changing pendulum type rotary drive ratchet for indirect live lines according to the present invention, FIG. 3 is a plan sectional view of an automatic direction changing pendulum type rotary drive ratchet for indirect live lines according to the present invention, and FIG. 4 is a front sectional view of the main parts of an automatic direction changing pendulum type rotary drive ratchet for indirect live lines according to the present invention.

[0037] As shown in FIGS. 2 to 4, the automatic direction-changing pendulum type rotary drive ratchet 1 for indirect live line use according to the present invention includes a body 100, a rotary actuation lever 200, a pendulum drive shaft 300, a clutch unit 400, a pendulum drive shaft actuation plate 500, a pendulum 600, a support plate 700, an automatic reversing pole 800, a pole reversing key 900, and a pendulum drive shaft rotating lever 1000.

[0038] First, the body 100 is configured to form the base of the automatic direction changing pendulum type rotary drive ratchet 1 for indirect live line use according to the present invention, and is configured to be a vertical plate-like shape, and one side (left side in the drawing) is configured with a hollow lever shaft installation part 110.

[0039] The rotation actuation lever 200 is configured to apply an actuation force for rotating the pendulum drive shaft 300 in the forward or reverse direction in the configuration of the automatic direction changing pendulum type rotation drive ratchet 1 for indirect live line use according to the present invention, which will be described later.

[0040] For this purpose, the rotary actuating lever 200 is first composed of a rotary actuating shaft 210 that is horizontally mounted on the lever shaft mounting portion 110, and the tip of the rotary actuating shaft 210 is located inside the lever shaft mounting portion 110, and the rear end of the rotary actuating shaft 210 protrudes outside the lever shaft mounting portion 110 to form a rotary knob 211.

[0041] In addition, the rotation actuation lever 200 has a cam 220 at the tip of the rotation actuation shaft 210, which is eccentric to one side from the center.

[0042] The rotation actuation lever 200 is connected to the cam 220 on the front side of A rotary actuator 230 is configured around the rotary actuator shaft 210, and the rotary actuator 230 is configured to be slidably coupled to the rotary actuator shaft 210.

[0043] A floating elongated hole 231 is formed on one side of the circumference of the rotational actuator 230 so as to form an angle of approximately 110° in the circumferential direction, and a locking projection 232 is provided on the other side.

[0044] The rotary actuation lever 200 is also provided with a buffer key 240 for applying a connecting force between the rotary actuation shaft 210 and the rotary actuation member 230. One side of the buffer key 240 is fixed to the rotary actuation shaft 210, and the other side is configured to be positioned inside the free-moving slot 231 of the rotary actuation member 230.

[0045] Therefore, when the rotary operating shaft 210 is rotated in the forward or reverse direction, the buffer key 240 rotates freely within the free-moving slot 231 for a certain period of time, and when it engages with one end of the free-moving slot 231, it rotates the rotary operating member 230 together. In this process, it is possible to prevent an impact overload on the pendulum drive shaft operating plate 500, which will be described later, due to sudden rotation.

[0046] In the configuration of the automatic direction changing pendulum type rotary drive ratchet 1 for indirect live line use according to the present invention, the pendulum drive shaft 300 is configured to have a rotational force substantially in the forward or reverse direction, and is configured to penetrate from the other side of the body 100 in the front and rear directions.

[0047] Meanwhile, in the present invention, the pendulum driving shaft 300 can be configured in various shapes protruding rearward from the body 100, and can be used by connecting it to a conventional wire tensioner or tensioner.

[0048] The clutch unit 400 is configured to operate the forward or reverse rotation of the pendulum drive shaft 300 in the configuration of the automatic direction changing pendulum type rotary drive ratchet 1 for indirect live line use according to the present invention, and is configured so that the pendulum drive shaft 300 penetrates and is coupled to the body 100 from the front.

[0049] Meanwhile, in the present invention, the clutch unit 400 is not limited to any particular type, and may be configured as a cam clutch in which a cam is formed between a normal inner ring and an outer ring, so that when the inner ring rotates in the forward direction, only the inner ring can rotate, and when the inner ring rotates in the reverse direction, both the inner ring and the outer ring can rotate simultaneously.

[0050] 5 to 9, the clutch unit 400 can be configured with a backstop ratchet ring 401. In the present invention, the backstop ratchet ring 401 includes an outer ring 410, an inner ring 420, a multi-angle bundle pole unit 430, and a rotation prevention lever 440.

[0051] First, the outer ring 410 is configured to output power to the outside in the configuration of the backstop ratchet ring 401, and is configured to form a circle with an inner ring mounting hole 411 in the center through which the inner ring 420 described later is mounted.

[0052] Here, in the present invention, the outer ring 410 has an outer ring sawtooth portion 412 formed on the inner peripheral surface of the inner ring mounting hole 411, and the outer ring sawtooth portion 412 is formed so that straight portions and inclined portions are formed continuously.

[0053] Meanwhile, in the present invention, as described above, the straight portion constituting the outer ring sawtooth portion 412 is configured to lock during power transmission, and the inclined portion is configured to guide slippage during idle rotation.

[0054] In the present invention, a number of stopping grooves 413 are formed at regular intervals on the outer periphery of the outer ring 410 so that a rotation preventing lever 440 (to be described later) can be locked or unlocked.

[0055] The inner ring 420 is configured to substantially transmit the main power in the configuration of the backstop ratchet ring 401, and is configured to transmit or release the main power to the outer ring 410 by interfering with or releasing the outer ring 410.

[0056] To this end, in the present invention, the inner ring 420 is configured to have a ring shape with a shaft hole 421 through which the pendulum driving shaft 300 for transmitting rotational power is coupled at the center, and is configured to be inserted into the inner ring mounting hole 411 of the outer ring 410.

[0057] Also, a number of bundle pole mounting grooves 422 are formed at regular intervals in the circumferential direction on the outer periphery of the inner ring 420 so that first, second and third multi-angle bundle poles 431, 432 and 433, which will be described later, can be mounted thereon.

[0058] Meanwhile, in the present invention, the outer ring 410 and the inner ring 420 are configured to be tightly coupled and to allow stable sliding when coupled to each other.

[0059] For this purpose, first, the outer ring sawtooth portion 412 of the outer ring 410 is configured to protrude a predetermined length into the inner ring mounting hole 411, and front and rear step portions 412a, 412b are formed in front and rear of the outer ring sawtooth portion 412.

[0060] First, a mounting protrusion 423 is protruded from the rear periphery of the inner ring 420, and is attached to the rear step portion 412b of the outer ring 410 and slidably guided, and a finishing plate support portion 424 is protruded from the front so as to extend from the axial hole 421.

[0061] First, the front of the inner ring 420 is configured to be finished with a finishing plate 425, and the periphery of the finishing plate 425 is attached to the front step portion 412a of the outer ring 410 and is fastened to the inner ring 420 with bolts to restrain the outer ring sawtooth portion 412, and a through hole 425a is provided in the center through which the finishing plate support portion 424 of the inner ring 420 passes.

[0062] The multi-angle bundle pole unit 430 acts as a medium for transmitting or releasing the power of the inner ring 420 to the outer ring 410 by interacting with the outer ring sawtooth portion 412 of the outer ring 410 in the configuration of the backstop ratchet ring 401. In the present invention, the multi-angle bundle pole unit 430 is composed of a plurality of sets of first, second and third multi-angle bundle poles 431, 432 and 433.

[0063] To this end, the first, second and third multi-angle bundle poles 431, 432, 433 are elastically installed in the bundle pole mounting grooves 422 via springs S, and configured to protrude and retract from the outer periphery, and to mesh with the outer ring sawtooth portion 412 of the outer ring 410 to apply a rotational force in one direction.

[0064] Here, in the present invention, the first, second and third multi-angle bundle poles 431, 432, 433 are configured to form a set of three, and each set may be configured with first, second and third meshing tools 431a, 432a, 432a arranged radially, i.e., at 90° intervals, with four of them forming a set.

[0065] In the present invention, the first, second and third meshing tools 431a, 432a, 432a corresponding to each set are elastically mounted in the bundle pole mounting groove 422 via springs S and are configured to have a protruding force, and the tips of the first, second and third meshing tools 431a, 432a, 432a are each configured with meshing tool sawtooth portions 431b, 432b, 432b having straight portions and inclined portions so as to mesh with the outer ring sawtooth portion 412 of the outer ring 410.

[0066] In particular, in the present invention, the first, second, and third meshing tools 431a, 432a, 432a corresponding to each set of the first, second, and third multi-angle bundle poles 431, 432, 433 are configured to intersect with each other when installed in the bundle pole installation grooves 422, i.e., so that the first meshing tool 431a of the first multi-angle bundle pole 431, the second meshing tool 432a of the second multi-angle bundle pole 432, and the third meshing tool 433a of the third multi-angle bundle pole 433 are continuously repeated in one rotational direction, thereby allowing the meshing tool sawtooth portions 431b, 432b, 432b to sequentially mesh with the outer ring sawtooth portion 412 at positions of different angles.

[0067] That is, in the present invention, the meshing tool sawtooth portion 431b, 432b, 432b of any one of the first, second, and third meshing tools 431a, 432a, 432a of the first, second, and third multi-angle bundle poles 431, 432, 433 meshes with the outer ring sawtooth portion 412 of the outer ring 410. As an example, when the straight portion of the meshing tool sawtooth portion 431b of the first meshing tool 431a comes into contact with and meshes with the straight portion of the outer ring sawtooth portion 412, the straight portion of the meshing tool sawtooth portion 432b of the second meshing tool 432a is located at the end of the inclined portion of the outer ring sawtooth portion 412 and does not mesh with it, and the straight portion of the meshing tool sawtooth portion 433b of the third meshing tool 433a is located in the middle of the inclined portion of the outer ring sawtooth portion 412, so that the meshing sections of the meshing tool sawtooth portions 431b, 432b, 432b are divided within one pitch of the outer ring sawtooth portion 412, thereby minimizing the gap between the sawtooths.

[0068] Meanwhile, in the embodiment of the present invention, the first, second and third multi-angle bundle poles 431, 432, 433 forming a plurality of sets have been described as three-piece sets, but this is not limited thereto, and the first, second and third multi-angle bundle poles 431, 432, 433 may be arranged in various ways at equal intervals.

[0069] For example, it may be configured with four multi-angle bundle poles, each of which has four interlocking tools, or it may be configured with three multi-angle bundle poles, each of which has eight interlocking tools. By adjusting the number of poles in this way, the precision of the backstop ratchet ring 401 can be adjusted depending on the application.

[0070] The anti-rotation lever 440 is configured to control the rotation or stop of the outer ring 410 in a backstop ratchet ring 401 configuration.

[0071] For this purpose, the rotation prevention lever 440 is pivotally mounted on the body 100 and resilient via a spring, so that it can be inserted into or removed from the stopping groove 413 of the outer ring 410 by rotation. That is, when inserted, it blocks the rotation of the outer ring 410, and when removed, it allows the rotation of the outer ring 410.

[0072] The pendulum drive shaft operating plate 500 is configured to transmit a rotational force to the pendulum drive shaft 300 in the configuration of the automatic direction changing pendulum type rotary drive ratchet 1 for indirect live line use according to the present invention.

[0073] For this purpose, the pendulum drive shaft operating plate 500 is in the form of a circular plate having a predetermined thickness, and is connected to the periphery of the pendulum drive shaft 300 on the front side of the clutch part 400, and has a triangular sawtooth part 510 protruding from the periphery of the middle part.

[0074] The pendulum 600 is configured to control the reciprocating rotation of an automatic reversing pole 800 (described later) by pendulum motion in the automatic direction changing pendulum type rotary drive ratchet 1 for indirect live wires according to the present invention.

[0075] For this purpose, the pendulum 600 is configured to pass through the rear side of the pendulum drive shaft operating plate 500 without rotational interference, and is formed with a horizontal slot 610 that protrudes to one side and accommodates the cam 220 of the rotation operating lever 200. When the cam 220 rotates, it interferes with the horizontal slot 610 and performs pendulum motion by rotating back and forth around the pendulum drive shaft 300.

[0076] The pendulum 600 has an automatic reversal pole mounting groove 620 formed on the front surface between the rotary operating shaft 210 and the pendulum drive shaft operating plate 500, in which an automatic reversal pole 800 (described later) is mounted.

[0077] The support plate 700 is configured to mount a pole reversing key 900, which will be described later, in the configuration of the automatic direction changing pendulum type rotary drive ratchet 1 for indirect live wires according to the present invention.

[0078] To this end, the support plate 700 is configured to pass through the front side of the pendulum drive shaft operating plate 500 without rotational interference, is connected to the pendulum 600 to restrain the pendulum drive shaft operating plate 500, and protrudes toward the rotation operating shaft 210.

[0079] In the configuration of the automatic direction changing pendulum type rotary drive ratchet 1 for indirect live line use according to the present invention, the automatic reversing pole 800 is configured to interfere with the pendulum drive shaft operating plate 500, thereby automatically rotating the pendulum drive shaft operating plate 500 in the forward or reverse direction.

[0080] For this purpose, the automatic reversal pole 800 is configured to be coupled to the automatic reversal pole mounting groove 620 of the pendulum 600 via a pole shaft 801, so that the pendulum drive shaft operating plate 500 is configured to rotate back and forth.

[0081] Meanwhile, in the present invention, as shown in FIG. 10, the automatic reversing pole 800 has first and second triangular locking protrusions 810 and 810′ symmetrically protruding from the tip, i.e., on the pendulum drive shaft operating plate 500 side, which selectively engage with the sawtooth portion 510 of the pendulum drive shaft operating plate 500.

[0082] First locking grooves 821, 821' and second locking grooves 822, 822' are formed around the automatic reversing pole 800, forming a curved shape. The first locking grooves 821, 821' and second locking grooves 822, 822' are formed symmetrically to each other so that the first locking groove 821 and the second locking groove 822 on either side are located on the first and second locking protrusions 810, 810' sides, respectively.

[0083] A reversal key mounting groove 830 is formed in the center of the automatic reversal pole 800. The reversal key mounting groove 830 is configured to have a tapered groove shape that expands from the pendulum drive shaft operating plate 500 side to the rotation operating shaft 210 side.

[0084] Meanwhile, the automatic reversing pole 800 is configured to be elastically mounted via first and second reversing pole spring balls 840 and 840', and the first and second reversing pole spring balls 840 and 840' are connected to the pendulum 600 and configured to have elasticity to protrude toward the automatic reversing pole 800.

[0085] In the present invention, the first and second reverse pole spring balls 840 and 840' are configured to interfere with the first locking grooves 821 and 821' and the second locking grooves 822 and 822'. Here, the first reverse pole spring ball 840 is configured to interfere with one of the first locking grooves 821 and 821' at an intersecting position, and the second reverse pole spring ball 840' is configured to interfere with one of the second locking grooves 822 and 822' at an intersecting position.

[0086] For example, when the pendulum drive shaft operating plate 500 rotates in a forward direction, i.e., clockwise, the first reversing pole spring ball 840 on one side is engaged with the first locking groove 821′ located on one side, and the first reversing pole spring ball 840′ on the other side is engaged with the second locking groove 822 located on the other side. Conversely, when the pendulum drive shaft operating plate 500 rotates in a counterclockwise direction, it is preferable that the first reversing pole spring ball 840 on one side is engaged with the first locking groove 821 located on one side, and the first reversing pole spring ball 840′ on the other side is engaged with the second locking groove 822′ located on the other side.

[0087] The pole reversal key 900 is configured to apply a reciprocating rotation force to the automatic reversal pole 800 in the configuration of the automatic direction changing pendulum type rotary drive ratchet 1 for indirect live line use according to the present invention.

[0088] For this purpose, the pole reversal key 900 is received in the reversal key mounting groove 830 of the automatic reversal pole 800, and is coupled to the support plate 700 via the same pole shaft 801 as the automatic reversal pole 800, and protrudes to one side, i.e., the side of the rotary operating shaft 210. Therefore, when the rotary operating shaft 210 rotates, the locking protrusion 232 of the rotary operating member 230 interferes with the rotation of the rotary operating shaft 210, causing it to rotate back and forth.

[0089] Here, the pole reversal key 900 is configured to have a horizontal force that always maintains the horizontal state, and for this purpose, both sides are configured to be resiliently supported by first and second reversal key spring balls 910 and 910′ formed on the support plate 700 with respect to the pole shaft 801.

[0090] The pendulum drive shaft rotating lever 1000 is configured to transmit the rotational force of the pendulum drive shaft operating plate 500 to the pendulum drive shaft 300 in the configuration of the automatic direction changing pendulum type rotary drive ratchet 1 for indirect live line use according to the present invention.

[0091] For this purpose, the pendulum drive shaft rotating lever 1000 is configured to be connected to the front side of the pendulum drive shaft 300 and the pendulum drive shaft operating plate 500, and is configured to rotate together with the pendulum drive shaft 300 and the pendulum drive shaft operating plate 500.

[0092] The operation of the automatic direction changing pendulum type rotary drive ratchet for indirect live wires according to the present invention having the above-mentioned configuration will now be described in detail with reference to the accompanying drawings.

[0093] 2 to 10, the automatic direction changing pendulum type rotary drive ratchet 1 for indirect live line use according to the present invention is configured to be connected and mounted to the drums 21, 31 of the wire tensioner 20 or tensioner 30 using the pendulum drive shaft 300 as shown in FIGS. 11 and 12, and to apply a rotational force in the forward or reverse direction to the drums 21, 31. The pendulum drive shaft 300 can be rotated in the forward or reverse direction by simply adjusting the rotational direction of the rotary operating shaft 210 during indirect live line work while maintaining a safe distance from the power distribution line using a live line work stick equipped with an electric mechanism, without operating a separate direction changing lever.

[0094] Therefore, as an example, in the automatic direction-changing pendulum type rotary drive ratchet 1 for indirect live wires according to the present invention, in order to wind up the belt for applying tension to the wire tensioner 20 or tensioner 30, the pendulum drive shaft 300 is rotated clockwise, i.e., in the positive direction. The operating state will be described below.

[0095] To do this, the rotation actuation lever 200 is rotated counterclockwise as shown in Figure 13. Here, the rotation prevention lever 440 is inserted into one of the stopping grooves 413 of the outer ring 410 to prevent the outer ring 410 from rotating.

[0096] Therefore, when the rotation actuation lever 200 is operated to rotate the rotation actuation shaft 210 counterclockwise, the cam 220 rotates within the horizontal elongated hole 610 of the pendulum 600. In this process, the pendulum 600 performs a pendulum motion in which it reciprocates around the pole shaft 801.

[0097] At the same time, the locking protrusion 232 of the rotation actuator 230 formed on the rotation actuation shaft 210 rotates the pole reversal key 900 toward the first locking grooves 821, 821'. Therefore, the pole reversal key 900 pushes the automatic reversal pole 800 toward the first locking grooves 821, 821', causing it to rotate clockwise around the pole shaft 801. Here, the first locking protrusion 810 on the first locking groove 821 side engages with the sawtooth portion 510 of the pendulum drive shaft actuation plate 500.

[0098] Therefore, when the rotary operating shaft 210 is continuously rotated, the pendulum 600 rotates back and forth due to the operation of the cam 220 and the horizontal slot 610. During this process, the pole reversal key 900, which is rotated in the rotational direction by interference with the locking protrusion 232 of the rotary operating member 230, supports the first locking grooves 821, 821' of the automatic reversing pole 800, and pushes and rotates the pendulum drive shaft operating plate 500 which engages with the automatic reversing pole 800 which rotates back and forth together. Here, the pendulum drive shaft 300 rotates as the pendulum drive shaft operating plate 500 rotates in the forward direction.

[0099] Meanwhile, as described above, the present invention is configured to prevent the pendulum drive shaft 300 from rotating in the reverse direction when the pendulum drive shaft 300 rotates due to tension, and this is made possible by the clutch unit 400.

[0100] Here, in the present invention, the clutch unit 400 is composed of a backstop ratchet ring 401, and the reverse rotation is prevented by the backstop ratchet ring 401. The operation relationship will be explained as follows.

[0101] Referring to FIG. 14, when the inner ring 420 connected to the pendulum drive shaft 300 rotates in the forward direction, the inclined portions of the meshing tool sawtooth portions 431b, 432b, 432b of the first, second, and third meshing tools 431a, 432a, 432a constituting the first, second, and third multi-angle bundle poles 431, 432, 433 respectively pass along the inclined portion of the outer ring sawtooth portion 412 of the outer ring 410.

[0102] That is, since springs S are elastically attached to the first, second and third meshing tools 431a, 432a and 432a of the inner ring 420, the meshing tool sawtooth portions 431b, 432b and 432b passing along the outer ring sawtooth portion 412 are pushed backward by the compressive force of the springs S, and the inclined portions of the outer ring sawtooth portion 412 and the inclined portions of the meshing tool sawtooth portions 431b, 432b and 432b slide against each other and pass over each other.

[0103] Meanwhile, when the forward drive is stopped, a rotational force that rotates the inner ring 420 in the reverse direction can be applied by the belt tension of the wire tensioner 20 or tensioner 30. Here, in the backstop ratchet ring 401, the meshing tool serrations 431b, 432b, 432b formed on the first, second, and third meshing tools 431a, 432a, 432a of any one of the first, second, and third multi-angle bundle poles 431, 432, 433 mesh with the outer ring serrations 412, thereby preventing the reverse rotation. This allows the wire tensioner 30 or tensioner 30 to stably wind up and tension the belt.

[0104] On the other hand, to release the tension of the tensioner 20 or tensioner 30 and unwind the belt, the pendulum drive shaft 300 is rotated counterclockwise, i.e., in the reverse direction. The operation state will be explained in detail as follows.

[0105] To this end, as shown in FIG. 15, the rotation actuation lever 200 is separated from the stopping groove 413 of the outer ring 410 without operating a separate direction change device, so that the outer ring 410 can rotate.

[0106] Therefore, when the rotation actuation lever 200 is operated to rotate the rotation actuation shaft 210 clockwise, the cam 220 rotates within the horizontal elongated hole 610 of the pendulum 600. In this process, the pendulum 600 performs a pendulum motion in which it reciprocates around the pole shaft 801.

[0107] In this case, the locking protrusion 232 of the rotation actuator 230 formed on the rotation actuation shaft 210 pushes the pole reversal key 900 toward the second locking grooves 822, 822'. Therefore, the pole reversal key 900 pushes the automatic reversing pole 800 toward the second locking grooves 822, 822', causing it to rotate counterclockwise around the pole shaft 801. Here, the second locking protrusion 810' on the second locking groove 822 side of the automatic reversing pole 800 engages with the sawtooth portion 510 of the pendulum drive shaft actuation plate 500.

[0108] Therefore, when the rotary operating shaft 210 is continuously rotated, the pendulum 600 rotates back and forth due to the operation of the cam 220 and the horizontal slot 610. During this process, the pole reversal key 900, which is rotated in the rotational direction by interference with the locking protrusion 232 of the rotary operating member 230, supports the second locking groove 822' side of the automatic reversing pole 800, and pushes and rotates the pendulum drive shaft operating plate 500 which is engaged with the automatic reversing pole 800 which rotates back and forth together. Here, the pendulum drive shaft 300 rotates as the pendulum drive shaft operating plate 500 rotates in the reverse direction.

[0109] Meanwhile, when the pendulum drive shaft 300 rotates in the reverse direction as described above, the backstop ratchet ring 401 connected to the pendulum drive shaft 300 also rotates together. Here, the backstop ratchet ring 401 can rotate together with the outer ring 410 as the meshing tool sawtooth portions 431b, 432b, 432b formed on the first, second, and third meshing tools 431a, 432a, 432a of any one of the first, second, and third multi-angle bundle poles 431, 432, 433 of the inner ring 420 mesh with the outer ring sawtooth portion 412.

[0110] Meanwhile, in the present invention, when the outer ring 410 is driven by the reverse operation of the inner ring 420 as described above, the backlash (play phenomenon) of the inner ring 420 can be reduced to nearly zero, thereby preventing shock during power transmission.

[0111] The above-described operation is made possible by the multi-angle bundle pole unit 430 for transmitting the rotational power of the inner ring 420 to the outer ring 410.

[0112] That is, as shown in FIG. 16, in the present invention, the meshing tool sawtooth portions 431b, 432b, 432b of any one of the first, second, and third meshing tools 431a, 432a, 432a of the first, second, and third multi-angle bundle poles 431, 432, 433 sequentially mesh with the outer ring sawtooth portion 412 of the outer ring 410.

[0113] As an example, when the straight portion of the meshing tool sawtooth portion 431b of the first meshing tool 431a comes into contact with and meshes with the straight portion of the outer ring sawtooth portion 412, the straight portion of the meshing tool sawtooth portion 432b of the second meshing tool 432a is located at the end of the inclined portion of the outer ring sawtooth portion 412 and does not mesh with it, and the straight portion of the meshing tool sawtooth portion 433b of the third meshing tool 433a is located in the middle of the inclined portion of the outer ring sawtooth portion 412.As a result, when the inner ring 420 rotates, the first, second and third meshing tools 431a, 432a, 432a sequentially apply meshing force to the outer ring sawtooth portion 412, so that the multi-angle bundle pole unit 430 is always in a state of sequentially meshing with the outer ring sawtooth portion 412.

[0114] That is, in the backstop ratchet ring 401, the meshing sections of the meshing tool sawtooth portions 431b, 432b, 432b are divided within one pitch of the outer ring sawtooth portion 412. Therefore, meshing force can be obtained despite minute rotation at positions of different angles, and therefore, when power is transmitted in the opposite direction, precise power transmission is possible without backlash.

[0115] Meanwhile, in the automatic direction changing pendulum rotary drive ratchet 1 for indirect live wires according to the present invention, when the belt needs to be fully unwound during preparation for work prior to using the wire tensioner 20 or tensioner 30, the pendulum drive shaft 300 can be easily rotated in the reverse direction manually without operating the rotation actuation lever 200. This is made possible by adjusting the rotation of the pendulum drive shaft rotation lever 1000 connected to the pendulum drive shaft 300 with the rotation prevention lever 440 separated from the stopping groove 413 of the outer ring 410.

[0116] As described above, the automatic direction changing pendulum type rotary drive ratchet for indirect live wires according to the present invention can be used by simply and automatically reversing the direction of rotation of the pendulum drive shaft by adjusting the rotation direction of the rotary operation shaft and operating the pendulum without the need for a separate direction changing device when the pendulum drive shaft rotates in the forward or reverse direction. In particular, when driving in the forward direction where tension from the wire tensioner or tensioner is applied, the backstop ratchet ring completely prevents reverse rotation, allowing for stable driving. [Industrial Applicability]

[0117] The automatic direction changing pendulum rotary drive ratchet for indirect live line use according to the present invention can automatically rotate the pendulum drive shaft operating plate in the forward or reverse direction by adjusting the rotation direction of the rotary operating shaft and by the reciprocating rotation of the pendulum, so that the pendulum drive shaft can be automatically rotated in the forward or reverse direction in a simple indirect live line operation without a separate operation for changing the rotation direction. The backstop ratchet ring prevents backlash when the pendulum drive shaft is driven in the reverse direction, ensuring reliable bidirectional rotation at all times, thereby ensuring the safety of the device. [Explanation of symbols]

[0118] 100 Body 110 Lever shaft installation part 200 Rotation Actuating Lever 210 Rotating shaft 211 Rotary knob 220 Cam 230 Rotary actuator 231 Floating slot 232 Locking protrusion 240 shock absorber key 300 Pendulum Drive Shaft 400 Clutch section 401 Backstop Ratchet Ring 410 Outer Ring 411 Inner ring mounting hole 412 Outer ring sawtooth part 412a, 412b Front and rear steps 413 Stopping groove 420 Inner Circle 421 Shaft hole 422 Bundle pole mounting groove 423 Mounting protrusion 424 Finishing plate support 425 Finishing board 425a Through hole 430 Multi-angle bundle pole unit 431, 432, 433 1st, 2nd and 3rd multi-angle bundle poles 431a, 432a, 432a First, second and third meshing tools 431b, 432b, 432b meshing tool serrations 440 Anti-rotation lever 500 Pendulum drive shaft operating plate 510 Serrated part 600 Pendulum 610 Horizontal long hole 620 Automatic reversing pole mounting groove 700 Support plate 800 Auto-reversing pole 801 Pole axis 810, 810' First and second locking protrusions 821, 821' First locking groove 822, 822' Second locking groove 830 Reverse key mounting groove 840, 840' 1st and 2nd inverted pole spring ball 900 Pole Reversal Key 910, 910' 1st and 2nd reverse key spring ball 1000 Pendulum drive shaft rotating lever

Claims

1. A body (100) having a lever shaft portion (110) formed on one side thereof; a rotary operating lever (200) comprising a rotary operating shaft (210) pivotally mounted on the lever shaft mounting portion (110) and having a rotary knob (211); a cam (220) formed at the tip of the rotary operating shaft (210) at a position eccentric from the center; a rotary operating tool (230) rotatably coupled to the rotary operating shaft (210) on the front side of the cam (220), having a floating elongated hole (231) formed in the circumferential direction and having a locking protrusion (232) protruding from its periphery; and a buffer key (240) connecting the rotary operating shaft (210) and the rotary operating tool (230). a pendulum drive shaft (300) that is pivotally installed in the other side of the body (100) and passes through the body (100) from front to back; a clutch unit (400) coupled to the periphery of the pendulum drive shaft (300) at the front side of the body (100), preventing the inner ring from rotating in the reverse direction and rotating the pendulum drive shaft (300) in the forward or reverse direction by the simultaneous reverse rotation of the inner and outer rings; a pendulum drive shaft operating plate (500) which is connected to the periphery of the pendulum drive shaft (300) on the front side of the clutch part (400) and has a sawtooth part (510) formed around the periphery of the middle part; a pendulum (600) coupled to the rear side of the pendulum drive shaft operating plate (500), protruding to one side and having a horizontal slot (610) for receiving the cam (220), which performs a pendulum motion of reciprocating rotation around the pendulum drive shaft (300) by the operation of the cam (220), and having an automatic reversal pole mounting groove (620) formed on the front surface between the rotary operating shaft (210) and the pendulum drive shaft operating plate (500); a support plate (700) that penetrates the front periphery of the pendulum drive shaft operating plate (500) and is connected to the pendulum (600) and protrudes to one side; an automatic reversing pole (800) having a pole shaft (801) coupled to the automatic reversing pole mounting groove (620), interfering with the pendulum drive shaft operating plate (500) and rotating back and forth to apply a reversing rotation force in the forward or reverse direction to the pendulum drive shaft operating plate (500); a pole reversal key (900) coupled to the pole shaft (801) together with the automatic reversal pole (800), protruding from the support plate (700) to one side, interfering with the locking protrusion (232) when the rotation actuator (230) rotates to apply a reciprocating rotation force to the automatic reversal pole (800), and having a horizontal maintaining force by being elastically mounted with first and second reversal key spring balls (910, 910') whose circumferences are symmetrical with respect to the pole shaft 801; and a pendulum drive shaft rotating lever (1000) coupled to the pendulum drive shaft (300) and the pendulum drive shaft operating plate (500) in front of the pendulum drive shaft operating plate (500).

2. The buffer key (240) One side is fixed to the rotary actuation shaft (210), and the other side is located inside the floating slot (231) of the rotary actuation tool (230). When the rotary operating shaft (210) rotates in the forward or reverse direction, the buffer key (240) rotates freely within the floating slot (231) for a certain period of time, 2. The automatic direction-changing pendulum type rotary drive ratchet for indirect live wires according to claim 1, characterized in that when the rotary actuator (230) is engaged with either end of the floating slot (231), it is configured to rotate together with the rotary actuator (230).

3. The clutch part (400) is configured as a backstop ratchet ring (401), The backstop ratchet ring (401) a ring-shaped outer ring (410) having an inner ring mounting hole (411) formed through the center, an outer ring sawtooth portion (412) formed on the inner peripheral surface of the inner ring mounting hole (411) with continuous straight and inclined portions in the circumferential direction, and stopping grooves (413) formed at regular intervals around the periphery; an inner ring (420) having a ring-shaped shaft hole (421) through which the pendulum drive shaft (300) is coupled, which is mounted in the inner ring mounting hole (411) of the outer ring (410), and which has a number of bundle pole mounting grooves (422) formed at regular intervals around its periphery; a multi-angle bundle pole unit (430) that is resiliently installed in the bundle pole mounting groove (422) via a spring (S) and operates to move in and out, and engages with the outer ring sawtooth portion (412) of the outer ring (410) to apply a rotational force in one direction; a rotation prevention lever (440) formed on the body (100) for controlling the rotation or stopping of the outer ring (410) by interfering with or being released from the stopping groove (413) of the outer ring (410); 2. The automatic direction changing pendulum type rotary drive ratchet for indirect live line according to claim 1, wherein the multi-angle bundle pole unit (430) comprises a plurality of sets of first, second and third multi-angle bundle poles (431, 432, 433), and the first, second and third multi-angle bundle poles (431, 432, 433) are configured to sequentially mesh with the outer ring sawtooth portion (412) of the outer ring (410) at positions of different angles from each other.

4. The outer ring sawtooth portion (412) of the outer ring (410) is configured to protrude inward and form front and rear stepped portions (412a, 412b) at the front and rear. A mounting protrusion (423) is formed on the rear periphery of the inner ring (420) to be mounted on the rear step portion (412b) of the outer ring (410), and a finishing plate support portion (424) is protruded on the front so as to extend from the shaft hole (421).

4. The automatic direction-changing pendulum-type rotary drive ratchet for indirect live wires according to claim 3, wherein a finishing plate support portion (424) formed on the front side of the inner ring (420) passes through a finishing plate (425) having a through hole (425a) formed therein, and the finishing plate (425) is attached and coupled to the front step portion (412a) to restrain the outer ring (410).

5. The first, second and third multi-angle bundle poles (431, 432, 433) are configured to form a set of three, and each set is composed of first, second and third meshing tools (431a, 432a, 432a) which form a set of four radially arranged tools; The first, second and third meshing tools (431a, 432a, 432a) are resiliently mounted in the bundle pole mounting groove 422 at mutually intersecting positions via springs S so as to have a protruding force, and meshing tool sawtooth portions (431b, 432b, 432b) having straight portions and inclined portions are formed at the tips thereof so as to mesh with the outer ring sawtooth portion (412) of the outer ring (410), 4. The automatic direction-changing pendulum-type rotary drive ratchet for indirect live wires according to claim 3, wherein when the inner ring (420) rotates in one direction, the meshing tool sawtooth portions (431b, 432b, 432b) of the first, second, and third multi-angle bundle poles (431, 432, 433) engage with and do not interfere with the outer ring sawtooth portion (412), allowing the inner ring (420) to rotate freely, and when the inner ring (420) rotates in the other direction, the meshing tool sawtooth portions (431b, 432b, 432b) of any one of the first, second, and third multi-angle bundle poles (431, 432, 433) sequentially mesh with the outer ring sawtooth portion (412), preventing rotation in the opposite direction.

6. The auto-reversing pole (800) A pair of first and second locking protrusions (810, 810') are formed on one side to selectively engage with the sawtooth portion (510) of the pendulum drive shaft operating plate (500), A first locking groove (821, 821') and a second locking groove (822, 822') are formed symmetrically around the periphery. In the center, a tapered reversal key mounting groove (830) is formed, which extends from the pendulum drive shaft operating plate (500) side to the rotary operating shaft (210), so that the pole reversal key (900) is coupled to the pole shaft (801) together with the automatic reversal pole (800). The pendulum (600) is provided with first and second reversing pole spring balls (840, 840') that control the reciprocating rotation direction of the automatic reversing pole (800). The automatic direction changing pendulum type rotary drive ratchet for indirect live line use according to claim 1, wherein the first and second reversing pole spring balls (840, 840') are configured to be interlocked with the first locking groove (821, 821') and the second locking groove (822, 822') of any one of the automatic reversing poles (800) so as to cross each other.

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