CN105807099B - Split conductor stringer - Google Patents

Abstract

The invention relates to a device for erecting split wires, comprising a bracket and a disk connected with split wires, the disk is arranged on the bracket, and a multi-split puller device is connected to the disk, and a circular hole for fixing the split wires is arranged on the disk. Connectors are connected to the holes, and the connectors pass through the holes and are fixed on the disk; the advantages of the present invention are: the support of the disk is realized through the bracket, and the splits of different split types are fixed through several groups of round holes provided on the disk. The wire can make the disc adapt to the connection and fixation of the multi-split type split wire, which improves the installation efficiency and prevents the damage of the disc; the position of the connector at the disc can be adjusted, and the wire length of the split wire can be adjusted according to the length of the split wire. The gap is fine-tuned and compensated to ensure the force balance of the sub-conductor under the tension state of the device; through the adjustable position of the connector at the disc, fine-tuned compensation can be performed according to the length gap of the split conductor sub-conductor to ensure that the sub-conductor of the device is under tension. force balance.

Description

Split wire erection device

technical field

The present invention relates to split conductor erection devices.

Background technique

Split conductor is a kind of conductor erection method adopted by ultra-high voltage transmission lines to suppress corona discharge and reduce line reactance. At present, due to the needs of scientific research and experiments, split conductors should be tested for current carrying capacity and energy consumption under the condition of a certain tension. However, split wires have different split types (including split numbers and split intervals), and there is a lack of a set of split wire fixing devices suitable for various split types. At present, it is necessary to select the corresponding fixing device according to the split type of the split wire during the test. structure, and cannot simulate the actual operating conditions of the split conductors (a certain tension is applied), so the cost of use is high, the test efficiency is low, and the practical performance is low, and there is no supporting device to support when the existing fixing device is installed and disassembled. The operator assists in completing the installation, the work intensity is high, the work efficiency is low, and the use effect is poor.

Contents of the invention

The technical problem to be solved by the present invention is to provide a split wire erecting device, which solves the problems that there is no erecting device suitable for multiple split types of split wires during the test of the existing split wire and the problem of high work intensity during installation and disassembly.

In order to solve the above-mentioned technical problems, the present invention is achieved through the following technical proposals: the split wire erecting device includes a bracket and a disk connected with split wires, the disk is arranged on the bracket, and the disk is connected with a multi-split puller device, There are several groups of round holes for fixing the split wires on the disc, and the connectors connected with the split wires are connected to the round holes, and the connectors pass through the round holes and are fixed on the disc. The support assembly is provided with an adjustment assembly for adjusting the height of the support assembly on the base.

Preferably, the multi-split puller device includes a connecting plate, a movable pull rod and a connecting pin, one end of the movable pull rod is connected with the connecting plate, the other end of the movable pull rod is connected with one end of the connecting pin, the other end of the connecting pin is connected with the disc, and the connecting plate There is a pull rod head on the top, and the test of connecting split wires on the disc is controlled by setting the tension of the tensile testing machine connected to the pull rod head. The structure is simple, the installation and disassembly are convenient, and the use effect is good.

Preferably, the movable pull rod includes a long rod and a connecting rod, one end of the long rod is connected with the connecting plate, the other end of the long rod is provided with a connecting screw sleeve for fixing the connecting rod, and the connecting rod and the connecting pin are rotatably connected through the second pin shaft. There is a connection block on the disk, a first connection sleeve is provided on the long rod, the first connection sleeve and the connection block are rotatably connected by the first pin shaft, an inner sleeve is provided in the connecting screw sleeve, and the long rod is fixedly connected to the inner sleeve by threads Inside, there is a slider on the disc, and the connecting pin is connected to the slider through the third pin shaft. The structure is simple, and it has a stable structure compared with a single movable rod, and the use effect is good. The movable rod can be adjusted according to different split wires. Adjustment, good practical performance, the connection block cooperates with the first connecting sleeve, which reduces the damage of the long rod, the setting of the inner sleeve improves the reliability of the overall movable rod, prevents the connecting screw sleeve and the long rod from detaching, good safety performance, and the connecting pin The connection between the third pin shaft and the slider is reliable, the installation and disassembly are convenient, and the accuracy of the test can be improved.

Preferably, the connector includes a transition sleeve, a tension sensor, a second connection sleeve and an insulator assembly, the tension sensor is arranged between the transition sleeve and the second connection sleeve, the second connection sleeve is connected to the insulator assembly, and the transition sleeve passes through the circle After the hole, the nut is fixedly connected to the disc, and the split wire is connected to the insulator assembly. The position of the connector on the disc can be adjusted by adjusting the position of the over-fitted nut. It is easy to adjust and can be adjusted according to the connected split wire. , The split wire is fixedly connected to the insulator assembly, the connection is reliable, the installation and disassembly are convenient, the setting of the tension sensor can effectively detect the data during the test, adjust the applied tension value, and the test effect is good.

Preferably, another nut is also provided on the transition sleeve at the right end of the disk, and a stopper is provided on the transition sleeve to prevent the nut from falling off, which can ensure the stability of the connection between the transition sleeve and the disc, prevent the transition sleeve from loosening, and prevent the stopper from falling off. The setting can prevent the nut from falling off and improve the reliability of the connection.

Preferably, the supporting assembly includes a connecting part and a supporting part, the connecting part is movably connected on the base, the supporting part is arranged on the top of the connecting part, the bottom end of the connecting part is provided with a limiting plate, the adjusting component is connected with the limiting plate, and the supporting part Realize the support for the disc, and drive the connecting part to move on the base through the adjustment component, and can adjust the height according to the different types of split wires connected to the disc. The practical performance is good, and the setting of the limit plate can effectively avoid the connection The upper part is separated from the horizontal bar, which has high safety performance.

Preferably, the connecting portion includes two vertical rods with smooth surfaces, and the two vertical rods are arranged symmetrically with respect to the vertical axis of the base, the base is provided with linear bearings for the vertical rods to move, and the support portion is fixedly connected to the two vertical rods The top of the vertical rod, the limit plate is fixedly connected to the bottom of the two vertical rods, the vertical rod and the linear bearing are interference fit, the smooth surface of the vertical rod moves up and down in the linear bearing, the movement effect is good, and the two vertical rods are about The vertical axis of the horizontal bar is symmetrically arranged to ensure the balance of the support part. The limit part is fixedly connected to the bottom end of the vertical bar. The limit effect is good, the practical performance is good, and the installation is reliable. The vertical bar and the linear bearing have an interference fit. , can effectively prevent the free sliding of vertical rods and linear bearings.

Preferably, the support part includes a bottom plate provided with a through groove, the top of the through groove is provided with a chamfer supporting the disk, the disk is fixed in the through groove through the chamfer, and the tangency between the chamfer and the disk effectively Sliding within the disc is avoided.

Preferably, the adjustment assembly includes a screw and a hand wheel, the limit plate is provided with a threaded hole matched with the screw, the top of the screw is provided with an adjustment block, the hand wheel is fixedly connected to the bottom of the screw, and the base is provided with a The screw sleeve controls the movement of the screw on the horizontal bar through the hand wheel, and pushes the vertical bar to move in the linear bearing through the adjustment block. It is easy to operate and can increase the activity of the screw to control the height adjustment of the support part. It has good practical performance. The adjustment effect is good, the setting of the screw sleeve is beneficial to the movement of the screw rod, the practical performance is good, and the damage of the screw rod is prevented.

Preferably, the base is also provided with a guide moving assembly, the guide moving assembly includes a guide wheel and a bolt assembly, the bolt assembly is fixedly connected to the base, the guide wheel includes a section of rolling body in contact with the ground and a section of balance weight to ensure the balance of the rolling part, And the width of the rolling body is smaller than the width of the balance weight. The setting of the guide moving component is convenient for the operator to move and reduce the work intensity of handling. Through the setting of the rolling body and the balance weight, the stability of the guide wheel can be guaranteed and the tilting and rollover of the bracket can be prevented. , good safety performance, can ensure the stability of the test, and the rolling elements are fixedly connected to the left frame body and the right frame body through the bolt assembly, the connection is reliable and prevents loosening.

In summary, the present invention has the following advantages: 1. Realize the support of the disc by the support, and fix the split wires of different split patterns by the several groups of round holes provided on the disc, so that the disc can be adapted to the multi-split pattern. The connection of the split wires is fixed, and the practical performance is good, which also reduces the work intensity of the existing installation and improves the test efficiency;

2. The disc is connected by a multi-split puller device, so that tension can be applied to the split wires connected on the disc. The test effect is good, the structure is simple, and the connection is reliable;

3. Through the adjustable position of the connector at the disc, it can be fine-tuned and compensated according to the length difference between the split wire and the sub-wire, so as to ensure the force balance of the sub-wire under the tension state of the device;

4. The connector is fixed on the disk, which improves the reliability of the test and prevents the split wire from leaving the disk;

5. The bracket is set as a base and a height-adjustable support component, and the height of the support component can be adjusted according to different types of split wires, and the height of the support component can be adjusted through the adjustment component, and the practical performance is good. Easy to adjust.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing:

Fig. 1 is the structural representation of disc in the split wire erecting device of the present invention;

Fig. 2 is the schematic structural view of the bracket in the split wire erecting device of the present invention;

Fig. 3 is the structural schematic diagram that connector of the present invention is connected with disc;

Fig. 4 is the structure schematic diagram that multi-split puller device of the present invention is connected with disc;

Fig. 5 is a schematic structural view of the movable pull rod of the present invention;

Fig. 6 is a partial schematic view of the stent of the present invention;

Fig. 7 is a structural schematic diagram of the support part of the present invention;

Fig. 8 is a schematic structural diagram of the guiding and moving assembly of the present invention.

Detailed ways

As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, and Fig. 8, the split wire erection device includes a support 1 and a disk 2 connected with a split wire 20, and the disk 2 is set On the support 1, the disk 2 is connected with a multi-split puller device 3, and the disk 2 is provided with several groups of round holes 21 for fixing split wires 20. The round holes 21 are arranged according to different types of split wires 20, and the round holes 21 The connecting piece 4 connected to the split wire 20 is connected to the top, and the connecting piece 4 passes through the round hole 21 and is fixed on the disc 2. The support 1 includes a base 11 and a height-adjustable support assembly 12 arranged on the base 11. On the base 11 An adjustment assembly 13 for adjusting the height of the support assembly 12 is provided.

Multi-split puller device 3 comprises connection plate 31, movable pull bar 32 and connecting pin 33, and movable pull bar 32 one ends link to each other with connecting plate 31, and the other end of movable pull bar 32 links to each other with an end of connecting pin 33, and the other end of connecting pin 33 links to each other with The discs 2 are connected, and the connecting disc 31 is provided with a tie rod head 34. The test of connecting the split wires on the disc is controlled by setting the tension of the tensile testing machine connected to the tie rod head. The structure is simple, easy to install and disassemble, and the effect is good. Pull bar 32 comprises long rod 35 and connecting rod 36, and one end of long rod 35 links to each other with connection plate 31, and the other end of long rod 35 is provided with the connecting screw sleeve 37 of fixing connecting rod 36, and connecting rod 36 and connecting pin 33 pass through the second The pin shaft 100 is rotationally connected, the connecting plate 31 is provided with a connecting block 38, the long rod 35 is provided with a first connecting sleeve 39, the first connecting sleeve 39 and the connecting block 38 are rotationally connected through the first pin shaft 101, and the connecting screw sleeve 37 An inner sleeve 30 is provided inside, and the long rod 35 is fixedly connected in the inner sleeve 30 by threads. The disc 2 is provided with a slider 22, and the connecting pin 33 is rotationally connected with the slider 22 through the third pin shaft 102. The structure is simple and relatively Because of the stable structure of a single movable tie rod, the use effect is good, the movable pull rod can be adjusted according to different split wires, and the practical performance is good. The connecting block cooperates with the first connecting sleeve, which reduces the damage of the long rod and improves the setting of the inner sleeve. It improves the reliability of the overall movable pull rod, prevents the connecting screw sleeve from detaching from the long rod, and has good safety performance. The connecting pin is reliably connected to the slider through the third pin shaft, and the installation and disassembly are convenient, which can improve the accuracy of the test.

Connector 4 includes transition sleeve 41, tension sensor 42, second connection sleeve 43 and insulator assembly 44, tension sensor 42 is arranged between transition sleeve 41 and second connection sleeve 43, second connection sleeve 43 and insulator assembly 44 Connected, the transition sleeve 41 passes through the round hole 21 and is fixedly connected to the disk 2 through the nut 45, the split wire 20 is connected to the insulator assembly 44, and the position of the connector on the disk is adjusted by adjusting the position of the transition sleeve nut. The location is easy to adjust, and can be adjusted according to the connected split wires. The split wires are fixedly connected to the insulator assembly, the connection is reliable, the installation and disassembly are convenient, and the setting of the tension sensor can effectively detect the data during the test and adjust the applied tension. value, the test effect is good, the transition sleeve 41 on the right end of the disc 2 is also provided with another nut 45, and the transition sleeve 41 is provided with a stopper 46 to prevent the nut from falling off, which can ensure the stability of the connection between the transition sleeve and the disc, and prevent The excessive loosening of the sleeve and the setting of the stopper can prevent the nut from falling off and improve the reliability of the connection.

The supporting assembly 12 includes a connecting portion and a supporting portion, the connecting portion is movably connected on the base 11, the supporting portion is arranged on the top of the connecting portion, the bottom end of the connecting portion is provided with a limiting plate 5, and the adjusting assembly 13 is connected with the limiting plate 5, through The support part realizes the support for the disc, and drives the connecting part to move on the base through the adjustment component, and can adjust the height according to the different types of split wires connected to the disc. The practical performance is good, and the setting of the limit plate can effectively To prevent the connecting part from deviating from the horizontal bar, the safety performance is high. The connecting part includes two vertical bars 6 with smooth surfaces, and the two vertical bars 6 are arranged symmetrically with respect to the vertical axis of the base 11. The base 11 is provided with a vertical bar 6 The movable linear bearing 14, the supporting part is fixedly connected to the top of the two vertical rods 6, the limit plate 5 is fixedly connected to the bottom of the two vertical rods 6, the vertical rod 6 and the linear bearing 14 are interference fit, through the vertical rod The smooth surface of the linear bearing moves up and down in the linear bearing, and the movement effect is good, and the two vertical bars are arranged symmetrically with respect to the vertical axis of the horizontal bar, which ensures the balance of the support part, and the limit part is fixedly connected to the bottom of the vertical bar. The limit effect is good, the practical performance is good, the installation is reliable, and the interference fit between the vertical rod and the linear bearing can effectively prevent the free sliding of the vertical rod and the linear bearing.

The supporting portion includes a base plate 7 provided with a through groove 71, the top of the through groove 71 is provided with a chamfer 72 supporting the disk 2, the disk is fixed in the through groove by the chamfer, and the tangency between the chamfer and the disk, Effectively avoid sliding in the disc, the adjustment assembly 13 includes a screw rod 15 and a hand wheel 16, the limit plate 5 is provided with a threaded hole matched with the screw rod, the top of the screw rod is provided with an adjustment block 17, and the hand wheel 16 is fixedly connected to the The bottom end of the screw rod and the base 11 are provided with a screw sleeve 18 connected to the screw rod. The screw rod is controlled to move on the horizontal bar through the hand wheel, and the vertical rod is pushed to move in the linear bearing through the adjustment block. It is easy to operate and can improve the screw rod. The height adjustment of the support part is controlled by the amount of activity, which has good practical performance and good adjustment effect. The setting of the screw sleeve is conducive to the movement of the screw rod, which has good practical performance and prevents damage to the screw rod.

The base 11 is also provided with a guide moving assembly 8, the guide moving assembly 8 includes a guide wheel 81 and a bolt assembly 82, the bolt assembly 82 is fixedly connected on the base 11, and the guide wheel 81 includes a section of rolling body 83 in contact with the ground and a section to ensure rolling. The balance weight 84 is fully balanced, and the width of the rolling body is smaller than the width of the weight. The setting of the guide moving component is convenient for the operator to move and reduce the work intensity of handling. The setting of the rolling body and the balance weight can ensure the stability of the guide wheel , to prevent tilting and rollover of the bracket, good safety performance, can ensure the stability of the test, and the rolling elements are fixedly connected to the left and right frame bodies through bolt assemblies, the connection is reliable and prevents loosening.

When in use, the disc 2 connected with the split wire 20 is placed on the bottom plate 7 in the bracket 1, and the position of the connecting piece at the disc is adjusted by the nut 45, so that it can be fine-tuned according to the difference in the length of the split wire sub-wire Compensation, to ensure the force balance of the sub-conductor under the tension state of the device, contact with the disc 2 through the chamfer 72 in the through groove 71, effectively prevent the disc 2 from falling off, and according to the split conductor 20 connected on the disc 2 The split type, adjust the screw rod 15 to move on the base 11 through the hand wheel 16, so that the adjustment block 17 on the screw rod 15 can adjust the height of the bottom plate 7, so that the disc 2 is connected with the multi-split puller device 3, when the disc 2 is connected Finally, the bottom plate 7 is separated from the disk 2, the support 1 is pushed by the guide moving assembly 8, the tensile testing machine is connected by the pull rod head 34 on the connecting disk 31, and the tensile force is applied by the tensile testing machine, so that the disk 2 can be connected. The split lead 20 is tested and detected by the tension sensor 42 on the connector 4 .

Except above-mentioned preferred embodiment, the present invention also has other embodiments, and those skilled in the art can make various changes and deformations according to the present invention, as long as they do not depart from the spirit of the present invention, all should belong to the scope defined in the appended claims of the present invention scope.

Claims (7)

1. Split wire erection device is characterized in that: comprise support (1) and the disk (2) that is connected with split wire (20), disk (2) is arranged on the support (1), on the disk (2) Connect multi-split puller device (3), disc (2) is provided with the round hole (21) of some groups of fixed split lead wires (20), is connected with split lead wire (20) to link to each other on the round hole (21). The connecting piece (4), the connecting piece (4) is fixed on the disc (2) through the round hole (21), and the bracket (1) includes a base (11) and a height-adjustable support assembly arranged on the base (11) (12), the base (11) is provided with an adjustment assembly (13) for adjusting the height of the support assembly (12); Multi-split puller device (3) comprises connecting plate (31), movable pull bar (32) and connecting pin (33), and movable pull bar (32) one end links to each other with connecting plate (31), and the other end of movable pull bar (32) is connected with connecting plate (31). One end of connecting pin (33) links to each other, and the other end of connecting pin (33) links to each other with disc (2), and connecting disc (31) is provided with pull bar head (34); The connector (4) comprises a transition sleeve (41), a tension sensor (42), a second connection sleeve (43) and an insulator assembly (44), and the tension sensor (42) is arranged on the transition sleeve (41) and the second connection sleeve (43), the second connection sleeve (43) is connected to the insulator assembly (44), and the transition sleeve (41) is fixedly connected to the disk (2) by a nut (45) after passing through the round hole (21), The split wire (20) is connected to the insulator assembly (44); The supporting assembly (12) includes a connecting portion and a supporting portion, the connecting portion is movably connected on the base (11), the supporting portion is arranged on the top of the connecting portion, the bottom end of the connecting portion is provided with a limiting plate (5), and the adjusting assembly (13) Connect with the limiting plate (5). 2. The split wire erection device according to claim 1, characterized in that: the movable pull rod (32) includes a long rod (35) and a connecting rod (36), and one end of the long rod (35) is connected to the connection plate (31) , the other end of the long rod (35) is provided with a connecting threaded sleeve (37) for fixing the connecting rod (36), the connecting rod (36) is rotationally connected with the connecting pin (33) by the second bearing pin (100), and the connecting disc ( 31) is provided with a connection block (38), the long rod (35) is provided with a first connection sleeve (39), and the first connection sleeve (39) is connected to the connection block (38) through the first pin shaft (101) in rotation , the connecting screw sleeve (37) is provided with an inner sleeve (30), and the long rod (35) is fixedly connected to the inner sleeve (30) by threads, and the disc (2) is provided with a slider (22), and the connecting pin ( 33) Rotately connect with the slider (22) through the third pin shaft (102). 3. The split wire erection device according to claim 1, characterized in that: the transition sleeve (41) at the right end of the disc (2) is also provided with another nut (45), and the transition sleeve (41) is provided with a preventive Stop (46) where the nut falls off. 4. The split wire erection device according to claim 1, characterized in that: the connecting part comprises two vertical rods (6) with smooth surfaces, and the two vertical rods (6) are about the vertical axis of the base (11) Symmetrically arranged, the base (11) is provided with a linear bearing (14) for the vertical rod (6) to move, the support part is fixedly connected to the top of the two vertical rods (6), and the limit plate (5) is fixedly connected to the two vertical rods (6). The bottom end of the vertical rod (6), the vertical rod (6) and the linear bearing (14) are an interference fit. 5. The split wire erection device according to claim 1, characterized in that: the supporting part includes a bottom plate (7) provided with a through groove (71), and the top of the through groove (71) is provided with a support disc (2) Chamfer (72). 6. The split wire erection device according to claim 1, characterized in that: the adjustment assembly (13) includes a screw (15) and a hand wheel (16), and the limit plate (5) is provided with a Cooperating threaded holes, the top of the screw rod (15) is provided with an adjustment block (17), the hand wheel (16) is fixedly connected to the bottom end of the screw rod (15), and the base (11) is provided with a screw connected to the screw rod (15). Set (18). 7. The split wire erection device according to claim 1, characterized in that: the base (11) is also provided with a guide moving assembly (8), and the guide moving assembly (8) includes a guide wheel (81) and a bolt assembly (82 ), the bolt assembly (82) is fixedly connected on the base (11), and the guide wheel (81) includes a section of rolling body (83) in contact with the ground and a section of balance weight (84) to ensure the balance of the rolling body (83), and the rolling The width of the body (83) is smaller than the width of the counterweight (84).