CN213027206U - Electric overhead ground wire lifting device - Google Patents
Electric overhead ground wire lifting device Download PDFInfo
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- CN213027206U CN213027206U CN202022048061.9U CN202022048061U CN213027206U CN 213027206 U CN213027206 U CN 213027206U CN 202022048061 U CN202022048061 U CN 202022048061U CN 213027206 U CN213027206 U CN 213027206U
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- ground wire
- lifting device
- overhead ground
- wire lifting
- connecting arm
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Abstract
The utility model discloses an electric overhead ground wire lifting device, which comprises two connecting arms which are symmetrically arranged; one ends of the two connecting arms which are adjacent are connected through a bolt, and a screw rod vertically penetrates through the other end of each connecting arm; the bottom end of the screw rod is movably arranged below the connecting arm and is detachably connected with a hook, and the connecting arm is rotatably connected with a nut sleeved on the screw rod. The advantages are that: the two connecting arms of the utility model are symmetrically fixed on the cross arm through bolts, so that the two lead screws are symmetrically arranged at the two sides of the overhead ground wire hardware fitting; rotate two ratchet spanners simultaneously, make and correspond nut pivoted in-process, the lead screw rebound promotes the overhead earth wire that the gold utensil both sides correspond simultaneously by two couples, easy operation, low in labor strength, the operating efficiency is high, and the overhead earth wire atress is even, avoids the potential safety hazard.
Description
The technical field is as follows:
the utility model relates to an overhead line overhauls equipment technical field, in particular to electric power overhead earth wire hoisting device.
Background art:
the overhead ground wire on the electric power iron tower is a line which is erected above the electric transmission line and laid for preventing the electric transmission line from being struck by direct lightning; the overhead ground wire is usually fixed on a cross arm of an iron tower by adopting a bearing hardware fitting, the overhead ground wire is easily abraded under the influence of external environments such as strong wind and the like for a long time, and in order to avoid accidents caused by long-term abrasion, workers are required to timely overhaul or replace the hardware fitting.
When the bearing hardware fitting of the overhead ground wire is replaced, the overhead ground wire needs to be lifted firstly, so that the bearing hardware fitting is in a loose state, and the replacement is convenient; the existing common lifting mode is lifting by a manual zipper hoist or single-side screw rod, and the two lifting modes have the defects of uneven stress of the overhead ground wire, potential safety hazards, complex operation of workers, higher labor intensity and low operation efficiency; in addition, the application range of the existing lifting mode is narrow, and the popularization and the use are not facilitated.
The utility model has the following contents:
an object of the utility model is to provide a convenient operation, work efficiency is high, and avoids the electric power overhead earth wire hoisting device of potential safety hazard.
The utility model discloses by following technical scheme implement: the electric overhead ground wire lifting device comprises two connecting arms which are symmetrically arranged; one ends of the two connecting arms which are adjacent are connected through a bolt, and a screw rod vertically penetrates through the other end of each connecting arm; the bottom activity of lead screw is arranged in the linking arm below and can dismantle and be connected with the couple, it establishes the spiro union in to rotate to be connected with the cover on the linking arm nut on the lead screw.
Furthermore, one end of the nut is arranged in the connecting arm and is rotatably connected with the connecting arm through a thrust bearing.
Further, the outer wall of nut is equipped with a plurality of ratchet teeth of a cogwheel of evenly arranging along circumference, the components of a whole that can function independently cover is equipped with ratchet spanner on the outer wall of nut, wear to be equipped with in the ratchet spanner with the pawl of ratchet teeth of a cogwheel activity joint.
Furthermore, a weight reduction groove is formed in the connecting arm.
Further, the installation base comprises a fixed part and a supporting part fixedly connected with the fixed part.
Furthermore, the fixed part is of a hoop structure, and the supporting pieces are two supporting plates which are arranged in parallel and correspondingly fixed on the end parts on the same side of the fixed part.
Furthermore, the supporting pieces are two angle steels which are arranged in parallel in a back-to-back mode, and the bottom surfaces of the horizontal sections of the supporting pieces are fixedly connected with the top surfaces of the fixing parts.
Furthermore, the fixing part is a fixing plate which is perpendicular to the supporting piece, and a locking bolt is screwed on the fixing part.
Furthermore, the fixing part is two angle steels vertically arranged relative to the supporting part, and the top surface of the vertical section of the fixing part is fixedly connected with the bottom surface of the horizontal section of the supporting part.
Further, a baffle is fixed to an end of the support.
The utility model has the advantages that: the two connecting arms of the utility model are symmetrically fixed on the cross arm through bolts, so that the two lead screws are symmetrically arranged at the two sides of the overhead ground wire hardware fitting; the two ratchet wheel wrenches are rotated simultaneously, so that the lead screw moves upwards in the process of rotating the corresponding nut, and the overhead ground wires corresponding to the two sides of the hardware fitting are lifted simultaneously by the two hooks, so that the operation is simple, the labor intensity is low, the operation efficiency is high, the stress on the overhead ground wires is uniform, and the potential safety hazard is avoided; the utility model can be applied to cross arms with various structures, and has strong applicability; in addition, the installation base of the corresponding structure enables the electric overhead ground wire lifting device to lift overhead ground wires on iron towers, steel tube towers and electric poles, and the application range of the electric overhead ground wire lifting device is greatly expanded.
Description of the drawings:
fig. 1 is a schematic structural view of embodiment 1.
Fig. 2 is a partially enlarged view a of fig. 1.
Fig. 3 is a sectional view B-B of fig. 1.
Fig. 4 is a view in the direction C of fig. 1.
FIG. 5 is a schematic view of the use state of embodiment 1.
Fig. 6 is a schematic structural view of embodiment 2.
FIG. 7 is a schematic view showing the state of use of embodiment 2.
Fig. 8 is a schematic structural view of embodiment 3.
FIG. 9 is a schematic view showing the state of use of embodiment 3.
FIG. 10 is a schematic structural view of example 4.
Fig. 11 is a schematic structural view of the mounting base according to embodiment 4.
Fig. 12 is a left side view of fig. 11.
FIG. 13 is a schematic structural view of example 5.
Fig. 14 is a schematic structural view of the mounting base according to embodiment 5.
Fig. 15 is a left side view of fig. 14.
FIG. 16 is a schematic structural view of example 6.
Fig. 17 is a top view of fig. 16.
Fig. 18 is a schematic structural view of the mounting base according to embodiment 6.
Fig. 19 is a left side view of fig. 18.
Fig. 20 is a top view of fig. 18.
FIG. 21 is a schematic structural view of example 7.
Fig. 22 is a top view of fig. 21.
Fig. 23 is a schematic structural view of a mounting base according to embodiment 7.
Fig. 24 is a top view of fig. 23.
FIG. 25 is a schematic structural view of example 8.
Fig. 26 is a top view of fig. 25.
Fig. 27 is a schematic structural view of a mounting base according to embodiment 8.
Fig. 28 is a top view of fig. 27.
The parts in the drawings are numbered as follows: the device comprises a connecting arm 1, a weight reduction groove 1.1, a bolt 2, a lead screw 3, a hook 4, a nut 5, a thrust bearing 6, ratchet wheel teeth 7, a ratchet wrench 8, a pawl 9, a cross arm 10, an overhead ground wire 11, a fitting 12, a pressing plate 13, a rotary buckle 14, an installation base 15, a fixing part 15.1, a supporting part 15.2, a baffle 17, an electric pole 18, a fitting hanging part 19, a locking bolt 20 and a steel pipe tower 21.
The specific implementation mode is as follows:
example 1: as shown in fig. 1 to 5, the overhead electrical ground wire hoisting device comprises two connecting arms 1 arranged symmetrically; the present embodiment is used in an inverted T-shaped structure formed by splicing two angle steels of a cross arm 10, wherein the bottom surfaces of two connecting arms 1 are horizontal surfaces, when the present invention is installed, the bottom end of the connecting arm 1 is placed above the horizontal side of the cross arm 10, the two connecting arms 1 clamp the vertical side of the cross arm 10, the top ends of the opposite sides of the two connecting arms 1 are connected by a bolt 2, and the two connecting arms 1 are firmly fixed on the cross arm 10 by the bolt 2; the bottom surface of each connecting arm 1 is rotatably provided with a rotary buckle 14, and the rotary buckle 14 can be tightly pressed on the bottom surface of the horizontal side of the cross arm 10 under the matching action of a bolt and a nut, so that the installation is more stable; the connecting arm 1 is provided with a weight reduction groove 1.1, so that the weight of the utility model is reduced, the carrying is convenient, and the pressure of the utility model on the cross arm 10 can be reduced; the other end of each connecting arm 1 vertically penetrates through a screw rod 3; the bottom end of the screw rod 3 is movably arranged below the connecting arm 1 and is detachably connected with a hook 4, and the top end of the hook 4 is fixedly connected with the screw rod 3 through a screw, so that the screw rod is convenient to disassemble, assemble and replace; a nut 5 which is sleeved on the screw rod 3 is rotatably connected to the connecting arm 1, one end of the nut 5 is arranged in the connecting arm 1, and is rotatably connected with the connecting arm 1 through a thrust bearing 6; the outer wall of the nut 5 is provided with a plurality of ratchet wheel teeth 7 which are uniformly distributed along the circumferential direction, a ratchet wrench 8 is separately sleeved on the outer wall of the nut 5, and a pawl 9 movably clamped with the ratchet wheel teeth 7 penetrates through the ratchet wrench 8; when the hardware 12 of the overhead ground wire 11 is replaced, the utility model is fixed on the cross arm 10 through the two connecting arms 1, the two lead screws 3 are symmetrically arranged at two sides of the hardware 12 of the overhead ground wire 11, the overhead ground wires 11 at two sides of the hardware 12 are hooked through the hooks 4, and the two ratchet wrenches 8 are rotated simultaneously, so that the lead screws 3 move upwards in the process of unidirectional rotation of the corresponding nuts 5, the overhead ground wires 11 at two sides of the hardware 12 are lifted simultaneously by the two hooks 4, and the overhead ground wire 11 is in a loose state and is convenient to replace; the utility model is simple in operation, low in labor strength, the operating efficiency is high, and overhead earth wire 11 atress is even, avoids the potential safety hazard.
Example 2: as shown in fig. 6 and 7, the overall structure of the electric overhead ground wire lifting device is substantially the same as that of embodiment 1, except that this embodiment is used in the case that the cross arm 10 is a circular tube structure, the opposite surfaces of the two connecting arms 1 in this embodiment are cambered surfaces matched with the outer wall of the circular tube-shaped cross arm 10, and when mounting, the two connecting arms 1 in this embodiment are butt-jointed and fastened to the outer wall of the cross arm 10, and the two connecting arms 1 are fixedly connected by the bolts 2.
Example 3: as shown in fig. 8 and fig. 9, the lifting device for electric overhead ground wires has substantially the same overall structure as that of embodiment 1, except that when the present embodiment is used for the cross arm 10 to be a T-shaped structure composed of two angle steels facing away from each other, the top surfaces of two connecting arms 1 in the present embodiment are horizontal planes, and the present invention is installed in the present embodiment, a pressing plate 13 is disposed on the top surface cover on the horizontal side of the cross arm 10, the top surfaces of two connecting arms 1 abut against the bottom surface on the horizontal side of the cross arm 10, and are fixedly connected with the pressing plate 13 through screws, and meanwhile, the two connecting arms 1 clamp the vertical side of the cross arm 10, the bottom on the opposite side of the two connecting arms 1 is connected through bolts 2, and the two connecting arms 1 are firmly fixed on.
Example 4: as shown in fig. 10 to 12, the overall structure of the electric overhead ground wire lifting device is substantially the same as that of embodiment 1, except that the device further includes a mounting base 15, where the mounting base 15 includes a fixing part 15.1 and a supporting part 15.2, in this embodiment, the supporting part 15.2 is two angle steels arranged in parallel in a back-to-back direction, the fixing part 15.1 is arranged in parallel in a back-to-back direction and is two angle steels arranged perpendicularly with respect to the supporting part 15.2, and the top surface of the vertical section of the fixing part 15.1 is welded and fixed with the bottom surface of the horizontal section of the supporting part 15.2; when a cross arm 10 of an inverted-T-shaped structure consisting of two angle steels on an iron tower is arranged in parallel with an overhead ground wire 11 and the overhead ground wire 11 needs to be lifted, firstly, an installation base 15 of the embodiment needs to be adopted, two angle steels of a fixed part 15.1 are clamped on the cross arm 10 in parallel, two angle steel vertical sections of the cross arm 10 are placed between the two angle steels of the fixed part 15.1, the two angle steel vertical sections of the cross arm 10 are in sliding contact with angle steel vertical sections corresponding to the fixed part 15.1, at the moment, the two angle steels for a support part 15.2 are vertically arranged relative to the overhead ground wire 11, when a connecting arm 1 is erected and fixed on the two angle steels of the support part 15.2, two hooks 4 are arranged along the direction of the overhead ground wire 11, and then the lifting of the overhead ground wire 11 can be realized; the baffle plates 17 are fixed at the end parts of the two angle steels of the supporting piece 15.2, so that the limiting and blocking effects on the connecting arm 1 are achieved, and the slipping from the supporting piece 15.2 is avoided.
Example 5: as shown in fig. 13 to 15, the overall structure of the electric overhead ground wire lifting device is substantially the same as that of embodiment 1, except that the device further includes a mounting base 15, where the mounting base 15 includes a fixing part 15.1 and a supporting part 15.2, in this embodiment, the supporting part 15.2 is two angle steels arranged in parallel in a back-to-back manner, the fixing part 15.1 is a fixing plate arranged perpendicular to the two angle steels of the supporting part 15.2, bottom surfaces of horizontal sections of the two angle steels of the supporting part 15.2 are welded and fixed to top surfaces of the fixing plate, and the fixing plate is screwed with a locking bolt 20; when a cross arm 10 of a T-shaped structure consisting of two angle steels on an iron tower is arranged in parallel with an overhead ground wire 11 and the overhead ground wire 11 needs to be lifted, firstly, an installation base 15 of the embodiment needs to be adopted, a fixing plate is fixed on the cross arm 10 through a locking bolt 20 and a nut, so that the two angle steels of a support piece 15.2 are vertically arranged relative to the overhead ground wire 11, and then two hooks 4 are arranged along the direction of the overhead ground wire 11, so that the lifting of the overhead ground wire 11 can be realized; the baffle plates 17 are fixed at the end parts of the two angle steels of the supporting piece 15.2, so that the limiting and blocking effects on the connecting arm 1 are achieved, and the slipping from the supporting piece 15.2 is avoided.
Example 6: as shown in fig. 16 to fig. 20, the lifting device for electric overhead ground wires has substantially the same overall structure as that of embodiment 1, except that it further includes a mounting base 15, where the mounting base 15 includes a fixing part 15.1 and a supporting part 15.2, in this embodiment, the fixing part 15.1 is a hoop structure, and the supporting part 15.2 is two supporting plates which are arranged in parallel and correspondingly fixed on the same side end of the fixing part 15.1; when the overhead ground wire 11 on the electric pole 18 needs to be lifted, but the cross arm 10 does not exist on the electric pole 18, the electric pole needs to be installed by using the embodiment; the mounting base 15 is fixed on an electric pole 18 adjacent to the overhead ground wire 11 through a fixing part 15.1 of the hoop structure, and then the connecting arm 1 is erected and fixed on two supporting plates of a supporting piece 15.2, so that the overhead ground wire 11 can be lifted; the end part of the supporting plate of the supporting piece 15.2 is fixed with a baffle 17 which plays a role of limiting and blocking the connecting arm 1 and avoids slipping from the supporting piece 15.2.
Example 7: as shown in fig. 21 to 24, the electric power overhead ground wire lifting device further includes a mounting base 15, the mounting base 15 includes a fixing component 15.1 and a supporting component 15.2, the overall structure of the present embodiment is substantially the same as that of embodiment 5, except that the present embodiment is used on an electric pole 18, a fixing plate as the fixing component 15.1 is fixed on an existing hardware fitting hanging piece 19 of the electric pole 18 through a locking bolt 20, at this time, two angle steels of the supporting component 15.2 are vertically arranged relative to the overhead ground wire 11, so as to erect and fix the connecting arm 1 on the supporting component 15.2, and further, two hooks 4 are arranged along the direction of the overhead ground wire 11, thereby being capable of lifting the overhead ground wire 11; the baffle plates 17 are fixed at the end parts of the two angle steels of the supporting piece 15.2, so that the limiting and blocking effects on the connecting arm 1 are achieved, and the slipping from the supporting piece 15.2 is avoided.
Example 8: as shown in fig. 25 to 28, the electric overhead ground wire lifting device further includes a mounting base 15, the mounting base 15 includes a fixing part 15.1 and a support 15.2, the overall structure of the present embodiment is substantially the same as that of embodiment 5, except that the fixing part 15.1 includes a fixing plate and clamping plates vertically fixed to two ends of the bottom surface of the fixing plate, and a locking bolt 20 is inserted into each clamping plate; the embodiment is used on a steel tube tower 21, the steel tube tower 21 is usually not provided with a cross arm 10, when the overhead ground wire 11 needs to be lifted, firstly, the mounting base 15 of the embodiment needs to be adopted, the fixing plate is placed on the steel tube tower 21 adjacent to the overhead ground wire 11, and then the mounting base 15 of the embodiment is locked on the steel tube tower 21 through two locking bolts 20, so that the connecting arm 1 is conveniently erected and fixed on a support 15.2, and the lifting of the overhead ground wire 11 can be realized; the baffle plates 17 are fixed at the end parts of the two angle steels of the supporting piece 15.2, so that the limiting and blocking effects on the connecting arm 1 are achieved, and the slipping from the supporting piece 15.2 is avoided.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The electric overhead ground wire lifting device is characterized by comprising two connecting arms which are symmetrically arranged; one ends of the two connecting arms which are adjacent are connected through a bolt, and a screw rod vertically penetrates through the other end of each connecting arm; the bottom activity of lead screw is arranged in the linking arm below and can dismantle and be connected with the couple, it establishes the spiro union in to rotate to be connected with the cover on the linking arm nut on the lead screw.
2. An electric overhead ground wire lifting device according to claim 1, characterized in that one end of the nut is placed in the connecting arm and is rotatably connected to the connecting arm by means of a thrust bearing.
3. The electric overhead ground wire lifting device according to claim 1 or 2, wherein the outer wall of the nut is provided with a plurality of ratchet wheel teeth evenly distributed along the circumferential direction, a ratchet wrench is sleeved on the outer wall of the nut in a split manner, and a pawl movably clamped with the ratchet wheel teeth is arranged in the ratchet wrench in a penetrating manner.
4. The overhead electrical ground wire lifting device of claim 3, wherein the connecting arm is formed with a weight-reducing groove.
5. An electric overhead ground wire lifting device according to claim 1, characterized in that it further comprises a mounting base comprising a fixing part and a support fixedly connected to the fixing part.
6. The overhead electrical ground wire lifting device of claim 5, wherein the fixing member is a hoop structure, and the supporting members are two supporting plates disposed in parallel and correspondingly fixed to the ends of the fixing member on the same side.
7. An electric overhead ground wire lifting device according to claim 5, characterized in that the supporting member is two angle steels arranged in parallel back to back, and the bottom surface of the horizontal section of the supporting member is fixedly connected with the top surface of the fixing part.
8. The overhead electrical ground wire lifting device according to claim 7, wherein the fixing member is a fixing plate vertically disposed to the supporting member, and a locking bolt is screwed to the fixing member.
9. An electric overhead ground wire lifting device according to claim 7, characterized in that the fixing part is two angle steels vertically arranged with respect to the supporting member, and the top surface of the vertical section of the fixing part is fixedly connected with the bottom surface of the horizontal section of the supporting member.
10. An electric overhead ground wire lifting device according to any of claims 5 to 9, characterized in that a stop is fixed to the end of the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022048061.9U CN213027206U (en) | 2020-09-17 | 2020-09-17 | Electric overhead ground wire lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022048061.9U CN213027206U (en) | 2020-09-17 | 2020-09-17 | Electric overhead ground wire lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213027206U true CN213027206U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022048061.9U Active CN213027206U (en) | 2020-09-17 | 2020-09-17 | Electric overhead ground wire lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213027206U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113937658A (en) * | 2021-10-19 | 2022-01-14 | 中国南方电网有限责任公司超高压输电公司百色局 | Special guide rail for overhead ground wire |
-
2020
- 2020-09-17 CN CN202022048061.9U patent/CN213027206U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113937658A (en) * | 2021-10-19 | 2022-01-14 | 中国南方电网有限责任公司超高压输电公司百色局 | Special guide rail for overhead ground wire |
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