A wire laying device for electric power transmission and transformation

Abstract

The present invention relates to the technical field of cable pay-off stands, and specifically discloses a pay-off device for electric power transmission and transformation. A second rod and a third rod parallel to each other are fixedly arranged between two bases. Two roller shafts II are slidably arranged at both ends of the second rod through first elastic members respectively, and two roller shafts III are slidably arranged at both ends of the third rod through second elastic members respectively. A first swing arm, a second swing arm, a third swing arm and a fourth swing arm are rotatably arranged on the second rod. The first swing arm can drive the second swing arm to rotate so that the two roller shafts III can approach or move away from each other, and the third swing arm can drive the fourth swing arm to rotate so that the two roller shafts II can approach or move away from each other. A first driving member cooperating with the first swing arm and a second driving member cooperating with the third swing arm are rotatably arranged on the second rod through third elastic members respectively, and the first driving member and the second driving member are connected through a transmission member; The present invention is beneficial to the convenient operation of the cable pay-off stand so that the cable pay-off stand can place cable reels of different specifications.

Description

Technical Field

[0001] The present invention relates to the technical field of cable pay-off racks, and particularly relates to a pay-off device for electric power transmission and transformation. Background Art

[0002] During the process of electric power construction, a cable pay-off rack is usually required. A cable pay-off rack is a special tool for supporting and releasing cables. Its core function is to ensure that the cable is smoothly deployed during the laying process, avoiding entanglement, knotting or damage, and at the same time improving the construction efficiency.

[0003] Chinese Patent with the publication number CN220906756U discloses a cable pay-off rack, which includes two parallel bases and two connecting rods vertically fixed between the bases; two support plates are provided on the inner side baffle of the base, and two jacks for inserting the connecting rods are provided on the support plates. After the two bases are brought closer, the connecting rods pass through the jacks of all the support plates at the same time, thereby connecting the two bases into one body. When it is necessary to carry the cable pay-off rack, loosen the fasteners fixing the connecting rods, pull out the connecting rods from the bases, then bring the two bases closer side by side, align the jacks of the support plates front and back, axially pass the two connecting rods through the jacks and then tighten and fix them with a sleeve. The base and the connecting rods are fixed into one body, and then hold the grasping holes by hand, lift the entire pay-off rack, and push (or pull) the pay-off rack to the designated position through the rollers.

[0004] Since the diameters of cable drums have various specifications, in the above technical solution, the rollers provided at the top of the side plates are only applicable to cable drums of one specification. During the process of electric power construction, if it is necessary to pay off cables for cable drums of various specifications, the above cable pay-off rack is difficult to meet the requirements. In addition, how to conveniently operate the cable pay-off rack so that the cable pay-off rack can place cable drums of different specifications is an urgent problem to be solved. Summary of the Invention

[0005] The present invention provides a pay-off device for electric power transmission and transformation, aiming to solve the problem in the related art that it is difficult to conveniently operate the cable pay-off rack so that the cable pay-off rack can place cable drums of different specifications.

[0006] A wire laying device for electric power transmission and transformation includes two parallel bases. At both ends of each base along its length extension direction, a first roller and a fourth roller are respectively provided. Between the two bases, a second rod and a third rod are fixedly arranged in parallel. At both ends of the second rod, a second roller is slidably provided through a first elastic member respectively. At both ends of the third rod, a third roller is slidably provided through a second elastic member respectively. On the second rod, a first swing arm, a second swing arm, a third swing arm and a fourth swing arm are rotatably provided. The first swing arm can drive the second swing arm to rotate so that the two third rollers can approach or move away from each other. The third swing arm can drive the fourth swing arm to rotate so that the two second rollers can approach or move away from each other. On the second rod, a first driving member cooperating with the first swing arm and a second driving member cooperating with the third swing arm are respectively rotatably provided through a third elastic member. The first driving member and the second driving member are connected by a transmission member;

[0007] On the base, a second support hole and a third support hole cooperating with the second roller and the third roller are respectively provided. At the end parts of the second roller and the third roller, a second annular groove and a third annular groove are respectively provided. On one of the bases, an unlocking member, a second locking block cooperating with the second annular groove and a third locking block cooperating with the third annular groove are slidably provided. When the first driving member rotates, the two third rollers can move away from each other simultaneously and be locked in the corresponding third support holes by the third locking block. Subsequently, the two second rollers can move away from each other simultaneously and be locked in the corresponding second support holes by the second locking block. When the unlocking member moves towards the direction close to the fourth roller, both the second roller and the third roller are unlocked. When the unlocking member moves towards the direction away from the fourth roller, the second roller is unlocked.

[0008] In the present invention, by rotating the first driving member, the two third rollers can first move to the position with the maximum distance apart, and then the two second rollers can move to the position with the maximum distance apart. By pushing the unlocking member, the third roller or the second roller can be selectively unlocked, which is convenient for adjustment according to the actual situation.

[0009] Preferably, on the base, a second through hole cooperating with the second rod and a third through hole cooperating with the third rod are provided. The second through hole corresponds to the second support hole, and the third through hole corresponds to the third support hole.

[0010] Preferably, on the outer periphery of the second roller along its axial direction, a second support part, a second bearing part and a second matching part are sequentially provided. The second support part cooperates with the second support hole, and the second matching part cooperates with the second through hole; on the outer periphery of the third roller along its axial direction, a third support part, a third bearing part and a third matching part are sequentially provided. The third support part cooperates with the third support hole, and the third matching part cooperates with the third through hole. Thus, the second support hole and the second through hole can stably support the second roller, and the third support hole and the third through hole can stably support the third roller.

[0011] Preferably, the end of the second rod extends into the second through hole that it mates with. When the two second rollers are closest to each other, the ends of the two second rollers that are farthest from each other are respectively located in the corresponding second through holes; the end of the third rod extends into the third through hole that it mates with. When the two third rollers are closest to each other, the ends of the two third rollers that are farthest from each other are respectively located in the corresponding third through holes; thus, when the two second rollers are closest to each other, the second rollers will not affect the normal operation of the cable reel on the base, and when the two third rollers are closest to each other, the third rollers will not affect the normal operation of the cable reel on the base.

[0012] Preferably, one end of the first elastic member away from the second roller is fixedly connected to the second rod, and one end of the first elastic member close to the second roller is rotatably connected to the second roller. One end of the second roller close to the first elastic member has a second housing. A second annular tube is rotatably provided at one end of the second housing away from the second roller. The second annular tube is slidably connected to the second rod coaxially. The ends of the third swing arm and the fourth swing arm away from the second driving member are respectively slidably connected to the two second annular tubes; the setting of the second annular tube facilitates the third swing arm and the fourth swing arm to smoothly push the two second rollers to move, and at the same time does not affect the rotation of the second rollers.

[0013] Preferably, one end of the second elastic member away from the third roller is fixedly connected to the third rod, and one end of the second elastic member close to the third roller is rotatably connected to the third roller. One end of the third roller close to the second elastic member has a third housing. A third annular tube is rotatably provided at one end of the third housing away from the third roller. The third annular tube is slidably connected to the third rod coaxially. The ends of the first swing arm and the second swing arm away from the first driving member are respectively slidably connected to the two third annular tubes; the setting of the third annular tube facilitates the first swing arm and the second swing arm to smoothly push the two third rollers to move, and at the same time does not affect the rotation of the third rollers.

[0014] Preferably, the lower end of the first swing arm has a first gear, the lower end of the second swing arm has a second gear meshing with the first gear, the first driving member includes a first shaft and a fifth gear and a sixth gear provided on the first shaft, and the fifth gear can drive the first gear to rotate; the lower end of the third swing arm has a third gear, the lower end of the fourth swing arm has a fourth gear meshing with the third gear, the second driving member includes a second shaft and a seventh gear and an eighth gear provided on the second shaft, and the seventh gear can drive the third gear to rotate. The transmission member includes a third shaft rotatably connected to the second rod and a ninth gear and a tenth gear provided at both ends of the third shaft. The ninth gear meshes with the sixth gear, and the eighth gear meshes with the tenth gear.

[0015] Preferably, a handle is fixedly provided on the first shaft. The fifth gear and the seventh gear are incomplete gears, and the sixth gear, the eighth gear, the ninth gear and the tenth gear are bevel gears.

[0016] Preferably, the unlocking member is connected to the base through the fourth elastic member, the second locking block and the third locking block are respectively connected to the base through the fifth elastic member. The unlocking member is provided with a second push plate and a third push plate. The second locking block is provided with a second rod that cooperates with the second push plate, and the third locking block is provided with a third rod that cooperates with the third push plate. The top of the second push plate is provided with an upper rack, the top of the second locking block is provided with a lower rack, and a transmission gear that cooperates with the upper rack and the lower rack is rotatably provided in the base.

[0017] Preferably, one side of the second locking block facing the second rod is provided with a second guiding surface that cooperates with the second roller, and one side of the third locking block facing the second rod is provided with a third guiding surface that cooperates with the third roller.

[0018] Adopting the above technical solution, the beneficial effects of the present invention are as follows:

[0019] 1. In the initial state, the first roller and the fourth roller on the base are in the used state, so as to be suitable for supporting a cable reel with a larger diameter; by rotating the handle, the two third rollers can first move to the farthest positions from each other, and then the two second rollers can move to the farthest positions from each other. When the two third rollers move to the farthest positions from each other, the two third rollers will be locked by the third locking block, and the first roller and the third roller on the base are in the used state, so as to be suitable for supporting a cable reel with a smaller diameter. When the two second rollers can move to the farthest positions from each other, the two second rollers will be locked by the second locking block, and the first roller and the second roller on the base are in the used state, so as to be suitable for supporting a cable reel with an even smaller diameter.

[0020] 2. When the two third rollers move to the farthest positions from each other and the two second rollers move to the farthest positions from each other, if the unlocking member is pushed in the direction close to the first roller, the two second rollers can be reset to the initial state. If the unlocking member is pushed in the direction away from the first roller, the two second rollers and the two third rollers will be reset to the initial state, and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0022] Figure 2 It is a schematic diagram of the present invention when the two second rollers are closest to each other and the two third rollers are closest to each other.

[0023] Figure 3 is Figure 2 an enlarged view of part A in

[0024] Figure 4 It is a cross-sectional view of the second roller and the third roller of the present invention.

[0025] Figure 5 It is an exploded view of the second housing, the first elastic member and the second annular tube of the present invention.

[0026] Figure 6Schematic diagram of the cooperation of swing arm 1, swing arm 2, swing arm 3 and swing arm 4 of the present invention in the initial state.

[0027] Figure 7 Schematic diagram of the present invention when the two roller 2s are farthest apart and the two roller 3s are farthest apart.

[0028] Figure 8 is Figure 7 Enlarged view of part B in

[0029] Figure 9 Cross-sectional view of the base of the present invention.

[0030] Figure 10 is Figure 9 Enlarged view of part C in

[0031] Figure 11 Schematic diagram of lock block 2 and lock block 3 of the present invention.

[0032] Reference numerals: 10, base; 101, support hole 2; 102, support hole 3; 103, through hole 2; 104, through hole 3; 105, transmission gear; 11, roller 1; 12, roller 2; 121, ring groove 2; 122, support part 2; 123, bearing part 2; 124, mating part 2; 125, shell 2; 126, ring pipe 2; 127, slider 1; 128, first slide bar; 13, roller 3; 131, ring groove 3; 132, support part 3; 133, bearing part 3; 134, mating part 3; 135, shell 3; 136, ring pipe 3; 137, second slide bar; 14, roller 4; 15, unlocking member; 151, elastic member 4; 152, push plate 2; 153, push plate 3; 154, upper rack; 16, lock block 2; 161, elastic member 5; 162, second rod; 163, lower rack; 164, guiding surface 2; 17, lock block 3; 171, third rod; 172, guiding surface 3; 18, connecting plate; 19, mounting plate; 20, rod 2; 21, elastic member 1; 211, ring plate 1; 212, ring plate 2; 30, rod 3; 31, elastic member 2; 41, swing arm 1; 411, gear 1; 42, swing arm 2; 421, gear 2; 43, swing arm 3; 430, guide groove 1; 431, gear 3; 44, swing arm 4; 441, gear 4; 45, elastic member 3; 51, first shaft; 52, gear 5; 53, gear 6; 54, handle; 61, second shaft; 62, gear 7; 63, gear 8; 71, third shaft; 72, gear 9; 73, gear 10. Detailed Description of the Invention

[0033] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0034] Reference Figures 1 - 5 、 Figure 9 and Figure 10 , a wire laying device for electric power transmission and transformation, comprising two bases 10 arranged in parallel. At both ends of each base 10 along its length extension direction, a first roller 11 and a fourth roller 14 are respectively provided. The two bases 10 are fixedly connected by two connecting plates 18, and the connecting plates 18 are perpendicular to the bases 10. An installation plate 19 is fixedly provided on one of the connecting plates 18, and a second rod 20 and a third rod 30 which are parallel to each other are fixedly provided on the installation plate 19. The length extension directions of the second rod 20 and the third rod 30 are parallel to the length extension direction of the connecting plate 18.

[0035] At both ends of the second rod 20, second rollers 12 are slidably provided through first elastic members 21 respectively. At both ends of the third rod 30, third rollers 13 are slidably provided through second elastic members 31 respectively. The first elastic members 21 and the second elastic members 31 are springs. On the opposite sides of the two bases 10 away from each other, second support holes 101 for cooperating with the second rollers 12 and third support holes 102 for cooperating with the third rollers 13 are respectively formed. On the opposite sides of the two bases 10 facing each other, second through holes 103 for cooperating with the second rod 20 and third through holes 104 for cooperating with the third rod 30 are respectively formed. The second through holes 103 and the second support holes 101 on the same base 10 correspond to each other, and the third through holes 104 and the third support holes 102 correspond to each other.

[0036] Reference Figures 1 - 8, a swing arm one 41, a swing arm two 42, a swing arm three 43 and a swing arm four 44 are rotatably arranged on the mounting plate 19. The swing arm one 41 and the swing arm two 42 are arranged crosswise, and the swing arm one 41 can drive the swing arm two 42 to rotate so that the two rollers three 13 can approach or separate from each other. The swing arm three 43 and the swing arm four 44 are arranged crosswise, and the swing arm three 43 can drive the swing arm four 44 to rotate so that the two rollers two 12 can approach or separate from each other. On the mounting plate 19, a driving part one cooperating with the swing arm one 41 and a driving part two cooperating with the swing arm three 43 are rotatably arranged through an elastic part three 45. The elastic part three 45 adopts a torsion spring. The driving part one and the driving part two are connected by a transmission part. In this embodiment, the lower end of the swing arm one 41 has a gear one 411, the lower end of the swing arm two 42 has a gear two 421 meshing with the gear one 411. The driving part one includes a first shaft 51 rotatably connected to the mounting plate 19 through the elastic part three 45, a gear five 52 and a gear six 53 arranged on the first shaft 51. The gear five 52 adopts an incomplete gear and can drive the gear one 411 to rotate. The lower end of the swing arm three 43 has a gear three 431, the lower end of the swing arm four 44 has a gear four 441 meshing with the gear three 431. The driving part two includes a second shaft 61 rotatably connected to the mounting plate 19 through the elastic part three 45, a gear seven 62 and a gear eight 63 arranged on the second shaft 61. The gear seven 62 adopts an incomplete gear and can drive the gear three 431 to rotate. The transmission part includes a third shaft 71 rotatably connected to the mounting plate 19, a gear nine 72 and a gear ten 73 arranged at both ends of the third shaft 71. The gear nine 72 meshes with the gear six 53, and the gear eight 63 meshes with the gear ten 73. It should be noted that the gear six 53, the gear eight 63, the gear nine 72 and the gear ten 73 adopt bevel gears.

[0037] In this embodiment, a handle 54 is fixedly arranged on the first shaft 51. By rotating the handle 54, the swing arm one 41 and the swing arm two 42 can be controlled to rotate simultaneously, and the swing arm three 43 and the swing arm four 44 can be controlled to rotate simultaneously.

[0038] Taking one of the rollers II 12 as an example, one end of the elastic member I 21 away from the roller II 12 is fixedly connected to the rod II 20 through the annular plate I 211, and one end of the elastic member I 21 close to the roller II 12 is rotatably connected to the roller II 12 through the annular plate II 212. One end of the roller II 12 close to the elastic member I 21 has a housing II 125. One end of the housing II 125 away from the roller II 12 is rotatably provided with an annular tube II 126. The annular tube II 126 is coaxially and slidably connected to the rod II 20. In this embodiment, the inner ring side of the annular tube II 126 has a slider I 127, and a chute I for cooperating with the slider I 127 is axially formed on the rod II 20. The outer ring side of the annular tube II 126 has a first sliding rod 128. One end of the swing arm III 43 and the swing arm IV 44 away from the driving member II respectively has a guide groove I 430. The swing arm III 43 and the swing arm IV 44 are respectively slidably connected to the corresponding first sliding rod 128 through the guide groove I 430. Thus, when the swing arm III 43 and the swing arm IV 44 rotate, the two rollers II 12 can approach or move away from each other simultaneously.

[0039] Similarly, taking one of the rollers III 13 as an example, one end of the elastic member II 31 away from the roller III 13 is fixedly connected to the rod III 30 through the annular plate III, and one end of the elastic member II 31 close to the roller III 13 is rotatably connected to the roller III 13 through the annular plate IV. One end of the roller III 13 close to the elastic member II 31 has a housing III 135. One end of the housing III 135 away from the roller III 13 is rotatably provided with an annular tube III 136. The annular tube III 136 is coaxially and slidably connected to the rod III 30. In this embodiment, the inner ring side of the annular tube III 136 has a slider II, and a chute II for cooperating with the slider II is axially formed on the rod III 30. The outer ring side of the annular tube III 136 has a second sliding rod 137. One end of the swing arm I 41 and the swing arm II 42 away from the driving member I respectively has a guide groove II. The swing arm I 41 and the swing arm II 42 are respectively slidably connected to the corresponding second sliding rod 137 through the guide groove II. Thus, when the swing arm I 41 and the swing arm II 42 rotate, the two rollers III 13 can approach or move away from each other simultaneously.

[0040] The outer periphery of the roller II 12 axially has a support portion II 122, a bearing portion II 123, and a mating portion II 124 arranged in sequence. The support portion II 122 cooperates with the support hole II 101, the mating portion II 124 cooperates with the through hole II 103, and the bearing portion II 123 is used to support the cable reel. The end of the rod II 20 extends into the through hole II 103 that mates with it. When the two rollers II 12 are closest to each other, the mutually remote ends of the two rollers II 12 are respectively located in the corresponding through holes II 103. The outer periphery of the roller III 13 axially has a support portion III 132, a bearing portion III 133, and a mating portion III 134 arranged in sequence. The support portion III 132 cooperates with the support hole III 102, the mating portion III 134 cooperates with the through hole III 104, and the bearing portion III 133 is used to support the cable reel. The end of the rod III 30 extends into the through hole III 104 that mates with it. When the two rollers III 13 are closest to each other, the mutually remote ends of the two rollers III 13 are respectively located in the corresponding through holes III 104.

[0041] Reference Figures 4 - 11 , a ring groove two 121 is formed on the supporting portion two 122 of the roller two 12, and a ring groove three 131 is formed on the supporting portion three 132 of the roller three 13. An unlocking member 15, a locking block two 16 cooperating with the ring groove two 121, and a locking block three 17 cooperating with the ring groove three 131 are slidably provided on one of the bases 10. The unlocking member 15 is connected to the base 10 through an elastic member four 151, and the locking block two 16 and the locking block three 17 are respectively connected to the base 10 through elastic members five 161. The elastic member four 151 and the elastic member five 161 are springs. One side of the locking block two 16 facing the rod two 20 has a guiding surface two 164 cooperating with the roller two 12, and one side of the locking block three 17 facing the rod two 20 has a guiding surface three 172 cooperating with the roller three 13. The unlocking member 15 has a push plate two 152 and a push plate three 153. The locking block two 16 has a second rod 162 cooperating with the push plate two 152, and the locking block three 17 has a third rod 171 cooperating with the push plate three 153. The top end of the push plate two 152 has an upper rack 154, and the top end of the locking block two 16 has a lower rack 163. A transmission gear 105 cooperating with the upper rack 154 and the lower rack 163 is rotatably provided in the base 10.

[0042] Specific working principle: Reference Figures 1 - 11 , in the initial state, the two rollers two 12 are in the state of being closest to each other. The mutually remote ends of the two rollers two 12 are respectively located in the corresponding through holes two 103. The two rollers three 13 are in the state of being closest to each other. The mutually remote ends of the two rollers three 13 are respectively located in the corresponding through holes three 104. The locking block two 16 extends into the support hole two 101 under the action of the elastic member five 161, and the locking block three 17 extends into the support hole three 102 under the action of the elastic member five 161. At this time, the roller one 11 and the roller four 14 on the base 10 are in the used state, so as to be suitable for supporting a cable reel with a larger diameter. At this time, the gear five 52 just meshes with the gear one 411, and the gear seven 62 is in a state of being disengaged from the gear three 431.

[0043] When it is necessary to support a cable reel with a smaller diameter, turn the handle 54 counterclockwise (looking down from above along the axial direction of the first axis 51). The fifth gear 52 can drive the first gear 411 to rotate, so that the first swing arm 41 and the second swing arm 42 rotate simultaneously, and then the two third rollers 13 move away from each other until the third roller 13 enters the third support hole 102. During this process, the seventh gear 62 is not engaged with the third gear 431, and the second elastic member 31 is gradually stretched. The third roller 13 can abut against the third guide surface 172, so that the third lock block 17 first moves away from the third roller 13 and then moves closer to the third roller 13, so that the third lock block 17 enters the third annular groove 131 to lock the third roller 13 in the corresponding third support hole 102, and the fifth elastic member 161 corresponding to the third lock block 17 is compressed; at this time, the first roller 11 and the third roller 13 on the base 10 are in a used state, so as to be suitable for supporting a cable reel with a smaller diameter.

[0044] When it is necessary to support a cable reel with an even smaller diameter, continue to turn the handle 54 counterclockwise. The fifth gear 52 disengages from the first gear 411, and the seventh gear 62 starts to engage with the third gear 431, so that the third swing arm 43 and the fourth swing arm 44 rotate simultaneously, and then the two second rollers 12 move away from each other until the second roller 12 enters the second support hole 101. During this process, the first elastic member 21 is stretched. The second roller 12 can abut against the second guide surface 164, so that the second lock block 16 first moves away from the second roller 12 and then moves closer to the second roller 12, so that the second lock block 16 enters the second annular groove 121 to lock the second roller 12 in the corresponding second support hole 101, and the fifth elastic member 161 corresponding to the second lock block 16 is compressed; at this time, the first roller 11 and the second roller 12 on the base 10 are in a used state, so as to be suitable for supporting a cable reel with an even smaller diameter.

[0045] Next, there are two cases. Case 1: When it is necessary for the first roller 11 and the third roller 13 on the base 10 to be in a used state, push the unlocking member 15 in the direction close to the first roller 11. During this process, the second push plate 152 moves away from the second rod 162, the third push plate 153 moves away from the third rod 171, the upper rack 154 drives the transmission gear 105 to rotate, and the transmission gear 105 drives the lower rack 163 to rotate, so that the second lock block 16 disengages from the second annular groove 121. At this time, under the action of the first elastic member 21, the two second rollers 12 return to the initial state. Then stop pushing the unlocking member 15 to make the unlocking member 15 reset, and the second lock block 16 resets to the initial state under the action of its corresponding fifth elastic member 161.

[0046] Case 2: When the first roller 11 and the fourth roller 14 on the base 10 need to be in use, push the unlocking member 15 in a direction away from the first roller 11. During this process, the second push plate 152 pushes against the second rod 162, and the third push plate 153 pushes against the third rod 171. The upper rack 154 moves away from the transmission gear 105, so that the second locking block 16 disengages from the second annular groove 121, and the third locking block 17 disengages from the third annular groove 131. At this time, under the action of the first elastic member 21 and the second elastic member 31, the two second rollers 12 and the two third rollers 13 return to their initial states, the fifth gear 52, the seventh gear 62, and the handle 54 return to their initial states. Then stop pushing the unlocking member 15 to make the unlocking member 15 return to its initial state. The second locking block 16 returns to its initial state under the action of its corresponding fifth elastic member 161, and the third locking block 17 returns to its initial state under the action of its corresponding fifth elastic member 161.

[0047] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. An aerial cable laying device for electric power transmission and transformation, comprising two parallel bases. At both ends of each base along the extending direction of its length, a first roller and a fourth roller are respectively provided. It is characterized in that: Between the two bases, a second rod and a third rod parallel to each other are fixedly arranged. At both ends of the second rod, second rollers are slidably arranged through first elastic members respectively. At both ends of the third rod, third rollers are slidably arranged through second elastic members respectively. On the second rod, a first swing arm, a second swing arm, a third swing arm and a fourth swing arm are rotatably arranged. The first swing arm can drive the second swing arm to rotate so that the two third rollers can approach or move away from each other. The third swing arm can drive the fourth swing arm to rotate so that the two second rollers can approach or move away from each other. On the second rod, a first driving member cooperating with the first swing arm and a second driving member cooperating with the third swing arm are rotatably arranged through third elastic members respectively. The first driving member and the second driving member are connected by a transmission member. On the bases, second support holes and third support holes cooperating with the second rollers and the third rollers are respectively formed. Ring grooves two and three are respectively formed at the end portions of the second rollers and the third rollers. On one of the bases, an unlocking member, a second locking block cooperating with the ring groove two and a third locking block cooperating with the ring groove three are slidably arranged. When the first driving member rotates, the two third rollers can move away from each other simultaneously and be locked in the corresponding third support holes by the third locking block. Subsequently, the two second rollers can move away from each other simultaneously and be locked in the corresponding second support holes by the second locking block. When the unlocking member moves towards the direction close to the fourth roller, both the second rollers and the third rollers are unlocked. When the unlocking member moves towards the direction away from the fourth roller, the second rollers are unlocked. At the lower end of the first swing arm, a first gear is provided. At the lower end of the second swing arm, a second gear meshing with the first gear is provided. The first driving member includes a first shaft and a fifth gear and a sixth gear arranged on the first shaft. The fifth gear can drive the first gear to rotate. At the lower end of the third swing arm, a third gear is provided. At the lower end of the fourth swing arm, a fourth gear meshing with the third gear is provided. The second driving member includes a second shaft and a seventh gear and an eighth gear arranged on the second shaft. The seventh gear can drive the third gear to rotate. The transmission member includes a third shaft rotatably connected to the second rod and a ninth gear and a tenth gear arranged at both ends of the third shaft. The ninth gear meshes with the sixth gear, and the eighth gear meshes with the tenth gear.

2. The wire laying device for power transmission and transformation according to claim 1, wherein, On the base, a second through hole cooperating with the second rod and a third through hole cooperating with the third rod are formed. The second through hole corresponds to the second support hole, and the third through hole corresponds to the third support hole.

3. The wire laying device for electric power transmission and transformation according to claim 2, wherein, On the outer periphery of the second roller, a second support portion, a second bearing portion and a second mating portion are sequentially arranged along its axial direction. The second support portion cooperates with the second support hole, and the second mating portion cooperates with the second through hole. On the outer periphery of the third roller, a third support portion, a third bearing portion and a third mating portion are sequentially arranged along its axial direction. The third support portion cooperates with the third support hole, and the third mating portion cooperates with the third through hole.

4. A wire laying device for electric power transmission and transformation according to claim 2, characterized in that, The end portion of the second rod extends into the second through hole cooperating with it. When the two second rollers are closest to each other, the ends of the two second rollers away from each other are respectively located in the corresponding second through holes. The end portion of the third rod extends into the third through hole cooperating with it. When the two third rollers are closest to each other, the ends of the two third rollers away from each other are respectively located in the corresponding third through holes.

5. A wire laying device for electric power transmission and transformation according to claim 1, characterized in that, One end of the first elastic member away from the second roller is fixedly connected to the second rod, and one end of the first elastic member close to the second roller is rotatably connected to the second roller. At the end of the second roller close to the first elastic member, a second shell is provided. At the end of the second shell away from the second roller, a second ring tube is rotatably arranged. The second ring tube is slidably connected to the second rod coaxially. The ends of the third swing arm and the fourth swing arm away from the second driving member are respectively slidably connected to the two second ring tubes.

6. The wire laying device for power transmission and transformation according to claim 1, wherein, One end of the second elastic member away from the third roller is fixedly connected to the third rod. One end of the second elastic member close to the third roller is rotatably connected to the third roller. One end of the third roller close to the second elastic member has a third housing. A third ring tube is rotatably provided at one end of the third housing away from the third roller. The third ring tube is slidably connected to the third rod coaxially. One ends of the first swing arm and the second swing arm away from the first driving member are respectively slidably connected to the two third ring tubes.

7. A wire laying device for power transmission and transformation according to claim 1, characterized in that, A handle is fixedly provided on the first shaft. The fifth gear and the seventh gear are incomplete gears. The sixth gear, the eighth gear, the ninth gear and the tenth gear are bevel gears.

8. The wire laying device for electric power transmission and transformation according to claim 1, wherein, The unlocking member is connected to the base through a fourth elastic member. The second locking block and the third locking block are respectively connected to the base through a fifth elastic member. The unlocking member has a second push plate and a third push plate. The second locking block has a second rod cooperating with the second push plate. The third locking block has a third rod cooperating with the third push plate. The top end of the second push plate has an upper rack. The top end of the second locking block has a lower rack. A transmission gear cooperating with the upper rack and the lower rack is rotatably provided in the base.

9. The wire laying device for electric power transmission and transformation according to claim 8, characterized in that, One side of the second locking block facing the second rod has a second guiding surface cooperating with the second roller. One side of the third locking block facing the second rod has a third guiding surface cooperating with the third roller.

Images