CN110635402A - Cable auxiliary swing device and method - Google Patents
Cable auxiliary swing device and method Download PDFInfo
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- CN110635402A CN110635402A CN201910944287.6A CN201910944287A CN110635402A CN 110635402 A CN110635402 A CN 110635402A CN 201910944287 A CN201910944287 A CN 201910944287A CN 110635402 A CN110635402 A CN 110635402A
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- 238000004513 sizing Methods 0.000 abstract 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
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Abstract
The invention relates to a cable auxiliary swing type device, comprising: the device comprises a driving assembly, a reciprocating mechanism, a first clamping assembly, a second clamping assembly and an auxiliary swing block. The auxiliary swing blocks are respectively arranged between the cables A, B and B, C, and then the reciprocating mechanism is adjusted by the driving component by taking the auxiliary swing blocks as supporting points. The cable auxiliary swing type device can effectively apply force to the cable by driving the reciprocating moving mechanism to move by means of the driving assembly, thereby effectively swinging the cable, and facilitating further sizing of the cable, being convenient for taking a three-phase line opening size by one-time measurement, avoiding the influence on the installation quality of the cable terminal (elbow type head) caused by elastic recovery after swinging the cable by manpower or simple tools, greatly improving the installation quality of the cable terminal (elbow type head), and ensuring the power supply reliability of a cable line.
Description
Technical Field
The invention relates to the technical field of electric power construction, in particular to a cable auxiliary swing device and a method.
Background
With the continuous acceleration of the cable line construction process, the ring main unit has the functional advantages of branching, segmenting, connecting and the like in the nodes of the power distribution network, and is widely applied to the power grid construction. However, in the process of connecting the cable line terminal and the ring main unit, due to the narrow installation space position and the large cable diameter in the ring main unit, the cable terminal (elbow type head) has the problems of difficult three-phase swing of the cable, labor consumption, low efficiency and the like in the processes of disconnecting the cable, installing accessories and connecting the cable terminal with the main unit. The cable three phases (for convenience of description, the three-phase cables are named as an A-phase cable, a B-phase cable and a C-phase cable respectively, wherein the A phase and the C phase are positioned on two sides of the B-phase cable) are required to freely enter and exit along the axial direction of the wiring terminal in the ring main unit, the B phase is vertical to the wiring terminal base, the A, C two-phase curvature is consistent, the cable three phases are integrally in a wine cup shape, and the three-phase stress body is vertical to the wiring terminal base without vertical stress, so that the cable three phases can not be effectively swung only by manpower and simple tools in the cable line construction process at present, and the installation quality of the cable terminal in the ring main unit is poor.
Disclosure of Invention
Accordingly, there is a need for a cable-assisted swing apparatus and method that can effectively swing a cable.
The technical scheme is as follows:
a cable assisted pendulum type device comprising: the cable clamping device comprises a driving assembly, a reciprocating moving mechanism, a first clamping assembly and a second clamping assembly, wherein the driving assembly is connected with the reciprocating moving mechanism, the first clamping assembly is used for clamping two phases of a cable, the second clamping assembly is arranged at one end of the reciprocating moving mechanism, the second clamping assembly is arranged at the other end of the reciprocating moving mechanism, the driving assembly can drive the reciprocating moving mechanism and drive the first clamping assembly and the second clamping assembly to do reciprocating movement.
When the cable auxiliary swing type device is used, the reciprocating mechanism is adjusted through the driving assembly, namely, the distance between two ends of the reciprocating mechanism is changed until the first clamping assembly and the second clamping assembly can respectively clamp two phases of the cable (such as a three-phase cable, namely, the first clamping assembly and the second clamping assembly respectively clamp the phase A and the phase C of the cable). The two-phase pendulum type of cable all need carry out the removal in opposite directions (being two-phase of cable need be close to each other promptly), and at this moment, adjust reciprocating motion mechanism through drive assembly once more, reciprocating motion's both ends can move in opposite directions, and the cable two-phase that is held respectively by first centre gripping subassembly and second centre gripping subassembly can receive effort in opposite directions mutually, can drive the cable two-phase when reciprocating motion mechanism carries out the removal in opposite directions promptly and carry out the pendulum type of being close to. Compared with the mode that the cable is directly swung only by manpower, the cable auxiliary swinging device can effectively apply force to the cable by driving the reciprocating moving mechanism to move by means of the driving assembly, so that the cable can be effectively swung.
A cable auxiliary swing-type method comprises the following steps: the first clamping assembly and the second clamping assembly are driven to move oppositely or back to back by the movement of the reciprocating mechanism until the first clamping assembly and the second clamping assembly are respectively clamped with two to-be-swung-shaped phases of the cable; the first clamping assembly and the second clamping assembly are driven to move oppositely or back to back again through the movement of the reciprocating mechanism, and the first clamping assembly and the second clamping assembly perform swinging operation on two phases of the two cables to be swung; and releasing the clamping of the first clamping assembly and the second clamping assembly on the cable.
When the cable auxiliary swinging method is used, the distance between two adjacent phases of the cable is uncertain before the swinging treatment of the cable to be swung. Therefore, the first clamping component and the second clamping component are driven by the reciprocating mechanism to move back to back (when the distance between the first clamping component and the second clamping component is smaller than the distance between two adjacent cables), or move towards each other (when the distance between the first clamping component and the second clamping component is larger than the distance between two adjacent cables), namely, the first clamping component and the second clamping component can move to the distance suitable for the cable to be swung. After the first clamping assembly and the second clamping assembly are respectively clamped with the cable to be swung, the first clamping assembly and the second clamping assembly are driven to move towards or away from each other through the movement of the reciprocating mechanism according to the mutual interval of the wiring ends inside the ring main unit. And finally, after the cable reaches the preset swing position, the first clamping assembly and the second clamping assembly release the clamping of the two phases of the cable.
The technical solution is further explained below:
the reciprocating mechanism comprises a threaded sleeve, a first screw and a second screw, one end of the first screw is in threaded connection with one end of the threaded sleeve, the other end of the first screw is connected with the first clamping assembly, one end of the second screw is in threaded connection with the other end of the threaded sleeve, and the other end of the second screw is connected with the second clamping assembly.
The first clamping assembly comprises a first bending rod and a first clamping block, one end of the first bending rod is connected with the first screw rod, and the other end of the first bending rod is connected with the first clamping block; the second clamping assembly comprises a second bending rod and a second clamping block, one end of the second bending rod is connected with the second screw rod, and the other end of the second bending rod is connected with the second clamping block.
The first clamping block is provided with a first clamping groove, the second clamping block is provided with a second clamping groove, and the first clamping groove and the second clamping groove are both used for accommodating cables.
The driving assembly comprises a driving rod and a connecting sleeve rod, one end of the driving rod is connected with one end of the connecting sleeve rod, the other end of the connecting sleeve rod is provided with a mounting hole corresponding to the threaded sleeve, and the connecting sleeve rod is sleeved on the threaded sleeve.
The cable auxiliary swing type device further comprises a ratchet wheel and a ratchet wheel control piece, the ratchet wheel is arranged on the threaded sleeve, the ratchet wheel is located at the joint of the connecting sleeve rod and the threaded sleeve, an accommodating opening is formed in the connecting sleeve rod, the ratchet wheel control piece is arranged in the accommodating opening, and one end of the ratchet wheel control piece is matched with the ratchet wheel in a rotating mode.
Supplementary pendulum type device of cable still includes the extensible member, follows threaded sleeve's circumference interval is equipped with a plurality of conflict mouths, just the conflict mouth is located connect the loop bar with threaded sleeve's junction, the extensible member is movably installed drive assembly is last, just the one end of extensible member stretches into conflict mouth with threaded sleeve is inconsistent.
The threaded sleeve is characterized in that a first thread and a second thread are arranged at two ends of the threaded sleeve, and the first thread and the second thread are homodromous threads or are heterodromous threads.
The cable auxiliary swing type device further comprises an auxiliary swing type block, the auxiliary swing type block is used for being installed between two adjacent phases of the cable, a third clamping groove and a fourth clamping groove are respectively formed in two ends of the auxiliary swing type block, and the third clamping groove and the fourth clamping groove are both used for accommodating the cable.
Drawings
Fig. 1 is a schematic structural diagram (top view) of a cable auxiliary pendulum-type device according to an embodiment of the present invention;
fig. 2 is a schematic structural view (isometric view) of a cable assisted swing-type device according to another embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an auxiliary pendulum block according to an embodiment of the present invention;
fig. 4 is a flowchart of a cable auxiliary swing method according to an embodiment of the invention.
Description of reference numerals:
100. the device comprises a driving component, 110, a driving rod, 120, a connecting sleeve rod, 121, a ratchet wheel control component, 122, an accommodating opening, 200, a reciprocating mechanism, 210, a threaded sleeve, 211, a ratchet wheel, 220, a first screw rod, 230, a second screw rod, 300, a first clamping component, 310, a first bending rod, 320, a first clamping block, 321, a first clamping groove, 400, a second clamping component, 410, a second bending rod, 420, a second clamping block, 421, a second clamping groove, 500, a cable, 510, a cable A phase, 520, a cable B phase, 530, a cable C phase, 600, an auxiliary swing block, 610, a third clamping groove, 620 and a fourth clamping groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The terms "first," "second," "third," and "fourth" used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.
As shown in fig. 1 and 2, in one embodiment, a cable assisted pendulum type device includes: drive assembly 100, reciprocating motion mechanism 200, first centre gripping subassembly 300 and second centre gripping subassembly 400, drive assembly 100 with reciprocating motion mechanism 200 links to each other, first centre gripping subassembly 300 with second centre gripping subassembly 400 all is used for centre gripping cable 500, first centre gripping subassembly 300 is installed reciprocating motion mechanism 200's one of them end, second centre gripping subassembly 400 is installed reciprocating motion mechanism 200's the other end, just drive assembly 100 can drive reciprocating motion mechanism 200, and drive first centre gripping subassembly 300 is reciprocating motion with second centre gripping subassembly 400.
When the cable assisted pendulum type device is used, the reciprocating mechanism 200 is first adjusted by the driving assembly 100, that is, the distance between the two ends of the reciprocating mechanism 200 is changed until the first clamping assembly 300 and the second clamping assembly 400 can respectively clamp two phases of the cable 500 (for example, a three-phase cable 500, that is, the first clamping assembly 300 and the second clamping assembly 400 respectively clamp the a-phase 510 and the C-phase 530 of the cable 500), and the two pendulum types of the cable 500 need to move toward each other (that is, the two phases of the cable 500 need to approach each other), at this time, the reciprocating mechanism 200 is adjusted by the driving assembly 100 again, the two ends of the reciprocating movement move towards each other, the two phases of the cable 500 respectively clamped by the first clamping assembly 300 and the second clamping assembly 400 are applied with opposite forces, that is, when the reciprocating mechanisms 200 move in opposite directions, the two phases of the cable 500 are driven to approach the pendulum shape. Compared with the cable 500 which is directly swung by only manpower, the cable auxiliary swinging device can effectively apply force to the cable 500 by driving the reciprocating mechanism 200 to move by the driving component 100, so that the cable 500 can be effectively swung.
In a case implementation scenario, according to sizes of ring main units of different manufacturers, firstly, cable 500 swing is needed to be carried out when a cable terminal (elbow type head) is installed, and the size of an open wire is measured according to a connecting position of a three-phase wiring terminal. Specifically, when the cable 500 (for example, the three-phase cable 500, wherein the three-phase cable 500 includes the a-phase 510, the B-phase 520, and the C-phase 530) is to be swung, the auxiliary swing blocks 600 are first respectively disposed between the A, B-phase and the B, C-phase, and then the reciprocating mechanism 200 is driven by the driving assembly 100 using the auxiliary swing blocks as supporting points, so that the A, C-phase of the cable 500 is swung through the first clamping assembly 300 and the second clamping assembly 400, until the three-phase of the cable 500 is respectively matched with the positions of the ring main unit connection terminals. The above embodiment helps the cable 500 to be further shaped after the swing type, so that the three-phase wire-opening size can be measured conveniently at one time (the phenomenon that the installation quality of the cable terminal (elbow type head) is affected due to the elastic recovery of the cable 500 after the swing type by means of manpower or simple tools is avoided).
As shown in fig. 1, in one embodiment, the reciprocating mechanism 200 includes a threaded sleeve 210, a first screw 220 and a second screw 230, one end of the first screw 220 is threadedly connected to one end of the threaded sleeve 210, the other end of the first screw 220 is connected to the first clamping assembly 300, one end of the second screw 230 is threadedly connected to the other end of the threaded sleeve 210, and the other end of the second screw 230 is connected to the second clamping assembly 400. Specifically, the threaded sleeve 210 is internally provided with threads, after the first screw 220 and the second screw 230 are both in threaded connection with the threaded sleeve 210, when the threaded sleeve 210 rotates relative to the first screw 220 and the second screw 230, under the action of the threads, the first screw 220 changes its position in the threaded sleeve 210, and the second screw 230 changes its position in the threaded sleeve 210, that is, the distance between the first clamping assembly 300 and the second clamping assembly 400 is changed by the relative rotation of the threaded sleeve 210. For example: in the present embodiment, when the threaded sleeve 210 rotates clockwise, the first screw 220 and the second screw 230 move back to back. When the threaded sleeve 210 rotates counterclockwise, the first screw 220 and the second screw 230 move toward each other. Or the threaded sleeve 210 rotates clockwise, the first screw 220 and the second screw 230 move towards each other. The threaded sleeve 210 rotates counterclockwise, and the first screw 220 and the second screw 230 move back to back. That is, the cable auxiliary pendulum type device can realize the simultaneous opposite or back movement of the two phases of the cable 500.
In another embodiment, the two ends of the threaded sleeve 210 are provided with a first thread and a second thread, and the first thread and the second thread are equidirectional threads, or the first thread and the second thread are opposite-directional threads. Specifically, the cable auxiliary swing-type device can also change the thread direction at both ends of the threaded sleeve 210, that is, when the threaded sleeve 210 rotates, the first clamping assembly 300 and the second clamping assembly 400 can drive the two cables 500 to move in the same direction. For example: when the threaded sleeve 210 rotates clockwise, the first screw 220 and the second screw 230 move together in the first direction. The threaded sleeve 210 rotates counterclockwise, and the first screw 220 and the second screw 230 move together in a second direction (opposite to the first direction).
Further, after the cable 500 passes through the pendulum type, the distance between two phases of the cable 500 is adapted to the distance between two pre-installed terminals in the ring main unit. However, the cable 500 can only enter through a specific installation port when being installed in the ring main unit, so that the overall position of the cable 500 and the connection terminal is deviated. Therefore, in the case that the distance between the two phases of the cable 500 is kept constant (referring to the distance between the two phases of the cable 500 after passing through the pendulum type), the cable auxiliary pendulum type device can simultaneously move the two phases of the cable 500 in the same direction in the above manner, that is, the connection between the cable 500 and the terminal is prevented from being affected by the installation error. Meanwhile, the embodiment also improves the applicability of the cable auxiliary swing type device. As shown in FIG. 1, in one embodiment, the first clamping assembly 300 comprises a first bending rod 310 and a first clamping block 320, one end of the first bending rod 310 is connected to the first screw 220, and the other end of the first bending rod 310 is connected to the first clamping block 320; the second clamping assembly 400 includes a second bending rod 410 and a second clamping block 420, wherein one end of the second bending rod 410 is connected to the second screw 230, and the other end of the second bending rod 410 is connected to the second clamping block 420. The first clamping block 320 is provided with a first clamping groove 321, the second clamping block 420 is provided with a second clamping groove 421, and both the first clamping groove 321 and the second clamping groove 421 are used for accommodating the cable 500. Specifically, according to the actual power installation environment. For example: when the cable 500 is to be shrunk and swung, the first clamping assembly 300 and the second clamping assembly 400 are required to drive the two phases of the cable 500 to move toward each other. At this time, it is ensured that the first clamping block 320 and the second clamping block 420 are both located outside two phases (e.g., the a phase 510 and the C phase 530 of the three-phase cable) of the cable 500 to be swung, and the first clamping block 320 is clamped and abutted against the side of one phase (the a phase 510) of the cable 500 by the first clamping groove 321, and the second clamping block 420 is clamped and abutted against the side of the other phase (the C phase 530) of the cable 500 by the second clamping groove 421. When the cable 500 needs to be expanded and swung, the first clamping assembly 300 and the second clamping assembly 400 are required to drive two phases (the a phase 510 and the C phase 530) of the cable 500 to move towards each other. At this time, it is ensured that the first clamping block 320 and the second clamping block 420 are both located between two phases of the cable 500 to be swung, and the first clamping block 320 is clamped and abutted against the side of one phase (a phase 510) of the cable 500 by the first clamping groove 321, and the second clamping block 420 is clamped and abutted against the side of the other phase (C phase 530) of the other cable 500 by the second clamping groove 421. Such an embodiment as described above can prevent the first clamping block 320 from being separated from the cable 500 during the movement and prevent the second clamping block 420 from being separated from the cable 500 during the movement. Further, the first clamping block 320 is connected to the first screw rod 220 through the first bending rod 310, and the second clamping block 420 is connected to the second screw rod 230 through the second bending rod 410, so that the interference friction between the cable 500 and the first screw rod 220 after the first clamping block 320 and the cable 500 are clamped is avoided, and the interference friction between the cable 500 and the second screw rod 230 after the second clamping block 420 and the cable 500 are clamped is avoided.
As shown in fig. 1 and 2, in one embodiment, the driving assembly 100 includes a driving rod 110 and a connecting sleeve rod 120, one end of the driving rod 110 is connected to one end of the connecting sleeve rod 120, the other end of the connecting sleeve rod 120 is provided with a mounting hole corresponding to the threaded sleeve 210, and the connecting sleeve rod 120 is sleeved on the threaded sleeve 210. The cable auxiliary swing type device further comprises a ratchet 211 and a ratchet control member 121, the ratchet 211 is sleeved on the threaded sleeve 210, the ratchet 211 is located at the joint of the connecting loop bar 120 and the threaded sleeve 210, an accommodating opening 122 is formed in the connecting loop bar 120, the ratchet control member 121 is installed in the accommodating opening 122, and one end of the ratchet control member 121 is matched with the ratchet 211 in a rotating mode. Specifically, the driving rod 110 may also be a handle, that is, a worker may move the connecting sleeve rod 120 and the threaded sleeve 210 by using the driving rod 110. Further, the ratchet control member 121 is a needle or a bar. The connecting sleeve rod 120 and the threaded sleeve 210 can rotate relatively. When the ratchet 211 is additionally arranged on the threaded sleeve 210 and the ratchet control piece 121 is additionally arranged on the connecting sleeve rod 120, the ratchet 211 and the ratchet control piece 121 form a ratchet structure, namely, when the connecting sleeve rod 120 drives the ratchet control piece 121 to rotate clockwise, self-locking of the ratchet 211 and the ratchet control piece 121 is realized at the moment, namely, the connecting sleeve rod 120 can drive the threaded sleeve 210 to rotate. When the connecting rod 120 drives the ratchet control member 121 to rotate counterclockwise, the ratchet 211 can slide relative to the ratchet control member 121, and at this time, the connecting rod 120 only rotates relative to the threaded sleeve 210 and does not drive the threaded sleeve 210 to move. In consideration of the actual installation space, the connecting sleeve rod 120 cannot drive the threaded sleeve 210 to rotate 360 ° (usually, the connecting sleeve rod 120 needs to be reset again after the driving rod 110 drives the connecting sleeve rod 120 to rotate 180 °). Such an embodiment as described above can effectively reduce the force application space of the drive assembly 100.
In another embodiment, the cable assisted pendulum type device further comprises a telescopic member. Follow the circumference interval of threaded sleeve 210 is equipped with a plurality of conflict mouths, just the conflict mouth is located connect loop bar 120 with the junction of threaded sleeve 210, the extensible member is movably installed drive assembly 100 is last, just the one end of extensible member stretches into the conflict mouth with threaded sleeve 210 is inconsistent. Specifically, the extensible member includes conflict pole and auto-lock slider, the auto-lock slider is movably installed on actuating lever 110 drive lever 110 is inside to be seted up with the slide opening, the conflict pole movably install in the slide opening, the auto-lock slider with the conflict pole links to each other. Namely, the self-locking slide block drives the contact rod to be inserted into or pulled out of the contact port. Further, when the interference rod is inserted into the interference opening, the driving assembly 100 rotates, and under the limiting effect of the interference rod, the driving assembly 100 can drive the threaded sleeve 210 to move together. When the touch rod is pulled out of the touch opening, the driving assembly 100 rotates at the moment, the limit of the touch rod is released, and the driving assembly 100 moves relative to the threaded sleeve 210, i.e., the threaded sleeve 210 does not move together with the driving assembly 100.
As shown in fig. 1 and 3, in one embodiment, the cable assisted swing type device further includes an assisted swing block 600. The auxiliary swing block 600 is used for being installed between two adjacent cables 500, a third clamping groove 610 and a fourth clamping groove 620 are respectively formed in two ends of the auxiliary swing block 600, and the third clamping groove 610 and the fourth clamping groove 620 are used for accommodating the cables 500. Specifically, it is sometimes necessary to shape the cable 500 into a specific shape, for example, it is necessary to make a part of the area of the cable 500 itself into an arc-shaped area, and at this time, if the cable 500 is clamped and bent only by the first clamping assembly 300 or the second clamping assembly 400, since the contact area between the first clamping assembly 300 and the second clamping assembly 400 and the cable 500 is very limited, the arc-shaped bending of the cable 500 cannot be realized. Therefore, the auxiliary swing block 600 respectively clamps and abuts the two phases of the cable 500 by using the third clamping groove 610 and the fourth clamping groove 620, so that the portion of the cable 500 located inside the third clamping groove 610 and the fourth clamping groove 620 can swing according to the predetermined track of the third clamping groove 610 and the fourth clamping groove 620. In this embodiment, the third clamping groove 610 and the fourth clamping groove 620 of the auxiliary swing block 600 are in the same plane, that is, two cables 500 that swing through the third clamping groove 610 and the fourth clamping groove 620 can also be in the same plane.
In one embodiment, as shown in fig. 4, a cable assisted pendulum type method comprises the steps of:
s100, driving the first clamping assembly 300 and the second clamping assembly 400 to move in opposite directions or move back to back through the movement of the reciprocating mechanism 200 until the first clamping assembly 300 and the second clamping assembly 400 are respectively clamped with two to-be-swung-shaped phases of the cable 500;
s200, the first clamping assembly 300 and the second clamping assembly 400 are driven to move oppositely or reversely again through the movement of the reciprocating mechanism 200, and the first clamping assembly 300 and the second clamping assembly 400 perform swinging operation on two phases of the cable 500 to be swung;
s300, releasing the clamping of the first clamping assembly 300 and the second clamping assembly 400 on the cable 500.
When the cable auxiliary swinging method is used, the distance between two adjacent phases of the cable 500 is uncertain before the swinging process of the cable 500 to be swung. Therefore, the first clamping assembly 300 and the second clamping assembly 400 are driven by the movement of the reciprocating mechanism 200 to move back (when the distance between the first clamping assembly 300 and the second clamping assembly 400 is smaller than the distance between two adjacent phases of the cable 500, the first clamping assembly 300 and the second clamping assembly 400 move back) or move towards each other (when the distance between the first clamping assembly 300 and the second clamping assembly 400 is larger than the distance between two adjacent phases of the cable 500, the first clamping assembly 300 and the second clamping assembly 400 move towards each other), namely, the first clamping assembly 300 and the second clamping assembly 400 can move to the distance corresponding to the cable 500 to be swung. After the first clamping assembly 300 and the second clamping assembly 400 are clamped with the cable 500 to be swung, the first clamping assembly 300 and the second clamping assembly 400 are driven to move in opposite directions or move in the opposite directions again by the movement of the reciprocating mechanism 200 according to the mutual interval of the terminals inside the ring main unit. Finally, after the cable 500 reaches the preset swing position, the first clamping assembly 300 and the second clamping assembly 400 release the clamping of the two phases of the cable 500.
Further, when a three-phase cable (including a-phase 510, B-phase 520, and C-phase 530) is to be shaped, first, two auxiliary swing blocks 600 (in this case, one auxiliary swing block 600 is located between A, B two phases of the cable 500, and the other auxiliary swing block 600 is located between B, C two phases of the cable 500) are respectively placed between A, B phase and B, C phase of the cable, then, using this as a pivot, the driving assembly 100 is used to adjust the reciprocating mechanism 200, i.e., change the distance between two ends of the reciprocating mechanism 200, and the first clamping assembly 300 and the second clamping assembly 400 are used to drive A, C phases of the cable 500 to be shaped, so that the three phases of the cable 500 are matched with the terminals of the ring main unit, and the three-phase open-line size is measured once on the basis that the three phases of the cable 500 have been shaped, and finally the first clamping assembly 300 and the second clamping assembly 400 are released from the cable a-phase, B-phase 520, and C, And C-phase clamping, cable swinging and size measurement are completed.
When the cable 500 needs to be of a pendulum type, for convenience of description, three phases shown in the cable 500 illustrated in the drawing description are respectively defined as A, B, C three phases. Firstly, the auxiliary swing blocks 600 are respectively placed between A, B phases and B, C phases (at this time, there are two auxiliary swing blocks 600, that is, one auxiliary swing block 600 is located between A, B phases of the cable 500, and the other auxiliary swing block 600 is located between B, C phases of the cable 500), and then, with this as a fulcrum, the driving assembly 100 is used to drive the reciprocating mechanism 200 to swing A, C phases of the cable 500 through the first clamping assembly 300 and the second clamping assembly 400, until the cable three phases are matched with the wiring terminals of the ring main unit. The three phases of the cable are required to freely enter and exit along the axial direction of the wiring terminal in the cabinet after the wire lug is crimped, the phase B520 is vertical to the wiring terminal seat, the curvature of the two phases of A, C is consistent, the whole three phases of the cable 500 are in a wine glass shape, and the three-phase stress body mounting position of the cable 500 is vertical to the wiring terminal seat without vertical stress. The cable auxiliary swing type device can effectively realize the three-phase swing type of the cable 500, greatly improve the installation quality of a cable terminal (elbow type head) and ensure the power supply reliability of a cable line.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A cable assisted pendulum type device, comprising:
the cable clamping device comprises a driving assembly, a reciprocating moving mechanism, a first clamping assembly and a second clamping assembly, wherein the driving assembly is connected with the reciprocating moving mechanism, the first clamping assembly is used for clamping two phases of a cable, the second clamping assembly is arranged at one end of the reciprocating moving mechanism, the second clamping assembly is arranged at the other end of the reciprocating moving mechanism, the driving assembly can drive the reciprocating moving mechanism and drive the first clamping assembly and the second clamping assembly to do reciprocating movement.
2. The cable assisted swing device according to claim 1, wherein the reciprocating mechanism comprises a threaded sleeve, a first screw rod and a second screw rod, one end of the first screw rod is in threaded connection with one end of the threaded sleeve, the other end of the first screw rod is connected with the first clamping assembly, one end of the second screw rod is in threaded connection with the other end of the threaded sleeve, and the other end of the second screw rod is connected with the second clamping assembly.
3. The cable assisted pendulum-type device of claim 2, wherein the first clamping assembly comprises a first bent rod and a first clamping block, wherein one end of the first bent rod is connected to the first threaded rod, and the other end of the first bent rod is connected to the first clamping block; the second clamping assembly comprises a second bending rod and a second clamping block, one end of the second bending rod is connected with the second screw rod, and the other end of the second bending rod is connected with the second clamping block.
4. The cable auxiliary swing-type device according to claim 3, wherein the first clamping block is provided with a first clamping groove, the second clamping block is provided with a second clamping groove, and the first clamping groove and the second clamping groove are both used for accommodating a cable.
5. The cable auxiliary pendulum type device of claim 2, wherein the driving assembly comprises a driving rod and a connecting sleeve rod, one end of the driving rod is connected to one end of the connecting sleeve rod, the other end of the connecting sleeve rod is provided with a mounting hole corresponding to the threaded sleeve, and the connecting sleeve rod is sleeved on the threaded sleeve.
6. The cable assisted swing device according to claim 5, further comprising a ratchet wheel and a ratchet wheel control member, wherein the ratchet wheel is sleeved on the threaded sleeve, the ratchet wheel is located at a joint of the connecting loop bar and the threaded sleeve, the connecting loop bar is provided with the ratchet wheel control member, the ratchet wheel control member is installed in the accommodating opening, and one end of the ratchet wheel control member is in running fit with the ratchet wheel.
7. The cable auxiliary swing-type device according to claim 5, further comprising a telescopic member, wherein a plurality of contact openings are formed along the circumferential direction of the threaded sleeve at intervals, the contact openings are located at the connection position of the connection sleeve rod and the threaded sleeve, the telescopic member is movably mounted on the driving assembly, and one end of the telescopic member extends into the contact openings to contact with the threaded sleeve.
8. The cable assisted swing device according to claim 7, wherein the retractable member comprises a touch bar and a self-locking slider, the self-locking slider is movably mounted on the driving rod, a sliding hole is formed in the driving rod, the touch bar is movably mounted in the sliding hole, and the self-locking slider is connected with the touch bar.
9. The cable auxiliary swing-type device according to any one of claims 1 to 8, further comprising an auxiliary swing-type block, wherein the auxiliary swing-type block is used for being installed between two adjacent phases of a cable, a third clamping groove and a fourth clamping groove are respectively formed at two ends of the auxiliary swing-type block, and the third clamping groove and the fourth clamping groove are both used for accommodating the cable.
10. A cable auxiliary swing-type method is characterized by comprising the following steps:
the first clamping assembly and the second clamping assembly are driven to move oppositely or back to back by the movement of the reciprocating mechanism until the first clamping assembly and the second clamping assembly are respectively clamped with two to-be-swung-shaped phases of the cable;
the first clamping assembly and the second clamping assembly are driven to move oppositely or back to back again through the movement of the reciprocating mechanism, and the first clamping assembly and the second clamping assembly perform swinging operation on two phases of the two cables to be swung;
and releasing the clamping of the first clamping assembly and the second clamping assembly on the cable.
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| CN201910944287.6A CN110635402A (en) | 2019-09-30 | 2019-09-30 | Cable auxiliary swing device and method |
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| CN201910944287.6A CN110635402A (en) | 2019-09-30 | 2019-09-30 | Cable auxiliary swing device and method |
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Effective date of registration: 20200921 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Applicant after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Applicant before: GUANGZHOU POWER SUPPLY Co.,Ltd. |