CN220209924U - Mounting cross arm device for lightning arrester of power transmission pole tower - Google Patents
Mounting cross arm device for lightning arrester of power transmission pole tower Download PDFInfo
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- CN220209924U CN220209924U CN202321704857.2U CN202321704857U CN220209924U CN 220209924 U CN220209924 U CN 220209924U CN 202321704857 U CN202321704857 U CN 202321704857U CN 220209924 U CN220209924 U CN 220209924U
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- cross arm
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- mounting
- power transmission
- pole tower
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Abstract
The utility model discloses an installation cross arm device of an electric power transmission pole tower arrester, which comprises a central sleeve for limiting and installing a transmission pole tower, wherein a central seat plate is fixedly connected to the central sleeve; the front end and the rear end of the central seat board are detachably assembled and connected with a cross arm board mechanism for installing a lightning arrester; the mounting cross arm device of the electric power transmission pole tower lightning arrester further comprises a clamp plate mechanism which is assembled and connected to the lower end position of the central sleeve, and mounting arm rods which are assembled and connected with the cross arm plate mechanism are respectively hinged to two sides of the clamp plate mechanism; the mounting arm rod is detachably assembled and connected with the cross arm plate mechanism. Under the effect of the structure, the cross arm plate assembled with the lightning arrester is not easy to incline and is high in wind resistance, so that the conveying safety and stability of the power transmission line in power installation are greatly improved.
Description
Technical Field
The utility model relates to the technical field of installation of lightning arresters of power transmission towers, in particular to an installation cross arm device of a lightning arrester of a power transmission tower.
Background
The power transmission tower is a tower for installing a transmission wire, and particularly, in the power construction process, different types of towers are adopted according to different purposes of transmission voltage, such as transmission of high-voltage wires by adopting a large-sized tower with a large height. And the electricity for the open use is conveyed by a tower with smaller height.
In the transportation process, in order to ensure the electricity safety, the arrester needs to be installed on the pole tower, specifically, the conventional arrester at present is installed on the pole tower by adopting the cross arm, the arrester is installed on the cross arm, lightning is electrically shocked to the arrester through the arrester in the season like thunderstorm, the power transmission line and the user electrical appliance are protected through the high resistance of the arrester, the damage or the overload of the power transmission line is avoided under the lightning stroke, and the damage of the electrical appliance is caused.
At present, the arrester that defeated line shaft tower used adopts very simple mounting structure to be most screw fastening mode fastening on the shaft tower for installing on the cross arm, along with corrosion effects such as acid rain, not hard up between cross arm and the shaft tower, defect along with two lies in: under the action of wind force or storm, the cross arm is very easy to incline, the installation stability of the lightning arrester on the cross arm is greatly reduced under the inclined state, and especially under the condition of large wind force, the lightning arrester on the cross arm is very easy to fall off from the cross arm.
And the mounting structure of corrosion, wind resistance is weak, leads to the cross arm slope, and the cross arm under the inclination is pulled the electric wire easily, and then leads to the electric wire to be in the state of tightening all the time, in case receive under the exogenic action, the electric wire of tightening is broken very easily, under the wind-force effect, in the electric wire sways the in-process, pulls and stretches out.
Therefore, in the electric power construction operation process, how to adopt the lightning arrester mounting rack with high mounting stability and strong wind resistance has great significance for reducing the manpower and material resources of electric power maintenance.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a cross arm device for mounting an electric power transmission pole tower lightning arrester.
The utility model solves the technical problems through the following technical scheme:
the electric power transmission pole tower lightning arrester mounting cross arm device comprises a central sleeve for limiting and mounting a transmission pole tower, wherein a central seat plate is fixedly connected to the central sleeve;
the front end and the rear end of the central seat board are detachably assembled and connected with a cross arm board mechanism for installing a lightning arrester;
the mounting cross arm device of the lightning arrester of the power transmission pole tower further comprises a clamp plate mechanism which is assembled and connected to the lower end position of the central sleeve, and mounting arm rods which are assembled and connected with the cross arm plate mechanism are respectively hinged to two sides of the clamp plate mechanism;
the mounting arm rod is detachably assembled and connected with the cross arm plate mechanism.
Preferably, the cross arm plate mechanisms each comprise a cross arm plate;
the top of the cross arm plate is assembled and connected with a plurality of lightning arresters;
the side walls of the cross arm plates facing each other are fixedly connected with inner convex plates respectively;
the inner convex plate is assembled and connected with the central seat plate through a plurality of detachable connecting pieces.
Preferably, the detachable connecting piece comprises a screw seat fixedly connected to the side wall of the inner convex plate and the side wall of the central seat plate respectively;
and a connecting screw rod is connected between the screw tube seats in a threaded manner.
Preferably, the clip plate mechanism comprises a first clip plate and a second clip plate adapted to the first clip plate;
the rear side wall of the first clamp plate is hinged with a mounting arm lever; the front side wall of the second clamp plate is hinged with a mounting arm lever;
the mounting arm lever comprises a hinge part hinged on the corresponding first clamp plate and second clamp plate;
the hinge part is integrally formed with a sloping plate part, and the sloping plate part is integrally formed with a horizontally arranged assembly part;
the assembly part is fastened at the bottom of the cross arm plate through a plurality of fastening bolts.
Preferably, the first clamp plate and the hinge lug plate of the hinge part are fixedly connected with each other, and the hinge part is hinged with the hinge lug plate through a fixed pin shaft.
Preferably, the top of the central seat board is fixedly connected with a plurality of upper connecting pieces of the connecting rod towers;
the upper connecting piece is arranged around the central sleeve;
the upper connecting piece comprises fixing seats fixedly connected to the central seat plate, adjusting screws are connected to the fixing seats in a threaded mode, the adjusting screws comprise cylindrical screw rod portions which are connected to the fixing seats in a threaded mode, rectangular plate body portions are integrally formed in the tops of the cylindrical screw rod portions, and a plurality of long fastening screws which are arranged at intervals up and down are connected to the rectangular plate body portions in a threaded mode.
Preferably, the lower end of the central sleeve is fixedly connected with a lower connecting piece matched with the upper connecting piece;
the lower connecting piece comprises an upper motherboard fixedly connected to the central sleeve, and further comprises a lower motherboard fixedly assembled on the tower;
the upper motherboard and the lower motherboard are fastened and connected through a plurality of connecting screws.
Preferably, the bottom of the lower motherboard is welded with an annular mounting sleeve;
the annular mounting sleeve is connected with a plurality of screws fastened on the pole tower through threads.
Preferably, the left end and the right end of the cross arm plate are respectively connected through a connecting rod piece in an assembling way;
the connecting rod piece comprises connecting plates which are respectively assembled and connected on the side walls of the cross arm plates facing each other, and a sleeve body is fixedly connected to the connecting plates;
a connecting rod is connected between the sleeve bodies in a sliding way;
the connecting rod is locked and fixed with the sleeve body through a locking screw.
Compared with the prior art, the utility model has the following advantages:
1. the installation arm rods at two sides form a triangular structure with the two cross arm plates at two sides and a central seat plate connected between the cross arm plates, and in the triangular geometry, the geometric stability of the installed cross arm plates is increased through the triangular connection structure. Furthermore, under the action of the structure, the stability of the cross arm plates and the lightning arresters at the two sides is very high, and even under the condition of large wind force, the cross arm plates and the lightning arresters at the two sides can still keep a horizontal non-inclined state.
2. In the installation process, the upper connecting piece is cooperatively matched with the lower connection, so that the installation stability of the tower is greatly improved, specifically, the lower mother board is sleeved on the tower, then the upper mother board and the whole rack are sleeved on the tower, and then the upper mother board and the lower mother board are fastened and installed.
The mode realizes that the connecting piece is installed on the pole tower in an up-down installation mode in a matched mode, and further greatly increases the installation stability of the whole device and the pole tower.
Under the effect of the mounting structure, the cross arm plate assembled with the lightning arrester is not easy to incline and is high in wind resistance, so that the conveying safety and stability of the power transmission line in power installation are greatly improved.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of the upper connector in an embodiment of the present utility model;
FIG. 3 is a schematic view showing a dispersion structure of a lower connecting member according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a mounting arm assembly cross arm plate in accordance with an embodiment of the present utility model;
FIG. 5 is a schematic view of a connecting rod according to an embodiment of the present utility model;
FIG. 6 is a front view of the embodiment of the utility model of FIG. 1;
fig. 7 is a right side view of the embodiment of the present utility model in fig. 1.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Example 1
As shown in fig. 1-7, the electric power transmission pole tower lightning arrester mounting cross arm device comprises a central sleeve 8 for limiting and mounting a transmission pole tower, and specifically, the central sleeve 8 is sleeved at the upper end of the pole tower by adopting a sleeve with the length of 75 cm. The stability of the installation is improved by using a central sleeve 8 of slightly greater length.
The central sleeve 8 is fixedly connected with a central seat board 2 (the central part of the central seat board 2 is provided with a through hole for penetrating the central sleeve 8); the front end and the rear end of the central seat board 2 are detachably assembled and connected with a cross arm board mechanism for installing a lightning arrester.
Specifically, the cross arm plate mechanisms each include a cross arm plate 1; the top of the cross arm plate 1 is assembled and connected with a plurality of lightning arresters. The lightning arrester is a conventional lightning arrester 3 for a power transmission line disclosed in the prior art, and is fixedly installed on the cross arm plate 1 in a conventional manner.
The cross arm plate 1 is made of a steel plate with the thickness of 1.5mm, and an outer bushing, in particular a rectangular sleeve made of plastic material, is sleeved on the cross arm plate 1 in order to improve the insulation shape according to the conventional mode.
The mounting cross arm device of the electric power transmission pole tower lightning arrester 3 further comprises a clamp plate mechanism 4 which is assembled and connected to the lower end of the central sleeve 8, and mounting arm rods which are assembled and connected with the cross arm plate 1 mechanism are respectively hinged to two sides of the clamp plate mechanism 4.
The installation arm pole that adopts articulated installation realizes strengthening the installation in a supporting mode to the cross arm board 1 of both sides from contradicting, and specifically, clamp board mechanism 4 includes first clamp board and the second clamp board of the first clamp board of adaptation (clamp screw fastening through both ends position between first clamp board, the second clamp board, and centre gripping is at central sleeve 8 after first clamp board, second clamp board fastening).
Specifically, the rear side wall of the first clamp plate is hinged with a mounting arm lever 5; the front side wall of the second clamp plate is hinged with a mounting arm lever 5; specifically, the mounting arm 5 has the following shape:
the mounting arm lever 5 comprises a hinge part hinged on the corresponding first clamp plate and second clamp plate (the hinge mode is that the first clamp plate and the first clamp plate are respectively fixedly connected with a hinge lug plate 41 hinged on the hinge part, and the hinge part is hinged with the hinge lug plate 41 through a fixed pin shaft); meanwhile, the hinge part is integrally formed with a sloping plate part, and the sloping plate part is integrally formed with a horizontally arranged assembly part 51; the fitting portion 51 is fastened to the bottom of the cross arm plate 1 by a plurality of fastening bolts.
In the above manner, in the operation, the fitting portion 51 at the top position of the installation arm 5 is abutted against the bottom of the cross arm plate 1 by rotating the installation arm 5, and then fastened by the fastening bolt.
In the above structure, the mounting arm bars 5 at both side positions and the cross arm plates 1 at both side positions and the center seat plate 2 connected between the cross arm plates 1 form a triangle structure, and in the triangle geometry, the increase of the geometric stability of the mounted cross arm plates 1 is achieved by the triangle connection structure. Furthermore, under the action of the structure, the stability of the cross arm plates 1 and the lightning arresters 3 at the two sides is very high, and even under the condition of large wind force, the cross arm plates 1 and the lightning arresters 3 at the two sides can still keep a horizontal non-inclined state.
The specific connection mode between the two side cross arm plates 1 and the central seat plate 2 is as follows:
the side walls of the cross arm plates 1 facing each other are fixedly connected with inner convex plates 11 respectively; the inner convex plate 11 is assembled and connected with the central seat plate 2 through a plurality of detachable connecting pieces 12.
The detachable connecting piece 12 is used for realizing the subsequent convenient detachment and replacement, specifically, the detachable connecting piece 12 comprises a screw seat 122 fixedly connected with the side wall of the inner convex plate 11 and the side wall of the central seat plate 2 respectively; a connecting screw 121 is connected between screw bases 122 in a threaded manner. Simultaneously, the hexagonal protruding ribs are integrally formed on the connecting screw rod 121, and during the working process, the connecting screw rod 121 is fastened to the central seat plate 2-screw tube seat 122 through the hexagonal protruding ribs under the assistance of a wrench, and then the connecting screw rod 121 is fastened to the inner convex plate 11-screw tube seat in a reverse rotation mode.
Example 2
As shown in fig. 1 to 7, in this embodiment, based on the structure of embodiment 1, in order to further improve stability between the cross arm plates 1, the left and right ends of the cross arm plates 1 are respectively assembled and connected by connecting rods; specifically, the connecting rod piece comprises connecting plates 71 respectively assembled and connected on the side walls of the cross arm plates 1 facing each other, and a sleeve body 72 is fixedly connected to the connecting plates 71; a connecting rod 73 is connected between the sleeve bodies 72 in a sliding way; the connecting rod 72 and the sleeve body 73 are locked and fixed through a locking screw.
When dismantling, after loosening locking screw, realize conveniently dismantling, under the action of connecting the member, both sides cross arm board 1 integration assembly further increases stability to and the wind-resistance ability.
Example 3
1-7, in this embodiment, on the basis of the structure of embodiment 1, the top of the central seat board 2 is fixedly connected with a plurality of upper connectors of the connecting rod towers; the upper connecting piece is arranged around the central sleeve 8. The connection stability of the pole tower and the whole device is improved through the upper connecting piece.
Specifically, the upper connecting pieces comprise fixing seats 131 fixedly connected to the central seat plate 2, the fixing seats 131 are in threaded connection with adjusting screws 132 (screw grooves for threaded connection with the adjusting screws 132 are formed in the fixing seats 131 in a cylindrical shape), the adjusting screws 132 comprise cylindrical screw portions in threaded connection with the fixing seats 131, rectangular plate portions are integrally formed in the tops of the cylindrical screw portions, and a plurality of long fastening screws 133 are arranged on the rectangular plate portions at intervals.
When the tower penetrates out above the central sleeve 8, the long fastening screw 133 is fastened to the side wall of the tower.
Before fastening, the adjusting screw 132 is rotated to realize the ascending or descending of the adjusting screw 132, so that the adjusting method is convenient to install on the tower.
Example 4
As shown in fig. 1 to 7, in the present embodiment, on the basis of the structure of embodiment 3, for further installation from the lower end position, the lower end of the ascending center casing 8 is fixedly connected with a lower connector that mates with the upper connector. Specifically, the lower connector includes an upper motherboard 61 fixedly connected to the center sleeve 8 (the center of the upper motherboard 61 has a through hole structure), and a lower motherboard 62 fixedly mounted to the tower (the center of the lower motherboard 62 has a through hole structure). The specific fastening mode is as follows:
the upper motherboard 61 and the lower motherboard 62 are fastened and connected by a plurality of connecting screws.
Meanwhile, the lower motherboard 62 is fixedly installed on the tower in the following specific manner: an annular mounting sleeve 621 is welded at the bottom of the lower motherboard 62; the annular mounting sleeve 621 is screwed with a plurality of screw rods 6211 fastened on the pole tower.
In the installation process, the lower mother board 62 is first sleeved on the tower, then the upper mother board 61 and the whole rack are sleeved on the tower, and then the fastening installation between the upper mother board 61 and the lower mother board 62 is carried out.
The mode realizes that the connecting piece is installed on the pole tower in an up-down installation mode in a matched mode, and further greatly increases the installation stability of the whole device and the pole tower.
Under the effect of the installation structure, the cross arm plate 1 assembled with the lightning arrester 3 is not easy to incline and has large wind resistance, so that the conveying safety and stability of the power transmission line in the power installation are greatly improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. The electric power transmission pole tower lightning arrester mounting cross arm device is characterized by comprising a central sleeve for limiting and mounting a transmission pole tower, wherein a central seat plate is fixedly connected to the central sleeve;
the front end and the rear end of the central seat board are detachably assembled and connected with a cross arm board mechanism for installing a lightning arrester;
the mounting cross arm device of the lightning arrester of the power transmission pole tower further comprises a clamp plate mechanism which is assembled and connected to the lower end position of the central sleeve, and mounting arm rods which are assembled and connected with the cross arm plate mechanism are respectively hinged to two sides of the clamp plate mechanism;
the mounting arm rod is detachably assembled and connected with the cross arm plate mechanism.
2. The power transmission tower arrester installation cross arm apparatus of claim 1 wherein the cross arm plate mechanisms each include a cross arm plate;
the top of the cross arm plate is assembled and connected with a plurality of lightning arresters;
the side walls of the cross arm plates facing each other are fixedly connected with inner convex plates respectively;
the inner convex plate is assembled and connected with the central seat plate through a plurality of detachable connecting pieces.
3. The mounting cross arm device for an electric power transmission pole tower arrester of claim 2, wherein the detachable connection piece comprises a solenoid seat fixedly connected to the side wall of the inner convex plate and the side wall of the central seat plate respectively;
and a connecting screw rod is connected between the screw tube seats in a threaded manner.
4. The power transmission tower arrester installation cross arm apparatus of claim 2, wherein the clamp plate mechanism includes a first clamp plate and a second clamp plate that fits the first clamp plate;
the rear side wall of the first clamp plate is hinged with a mounting arm lever; the front side wall of the second clamp plate is hinged with a mounting arm lever;
the mounting arm lever comprises a hinge part hinged on the corresponding first clamp plate and second clamp plate;
the hinge part is integrally formed with a sloping plate part, and the sloping plate part is integrally formed with a horizontally arranged assembly part;
the assembly part is fastened at the bottom of the cross arm plate through a plurality of fastening bolts.
5. The mounting cross arm device for the lightning arrester of the power transmission pole tower according to claim 4, wherein the first clamp plate and the first clamp plate are respectively fixedly connected with a hinged lug plate hinged with the hinged part, and the hinged part is hinged with the hinged lug plate through a fixed pin shaft.
6. The mounting cross arm device for the lightning arrester of the power transmission pole tower according to claim 1, wherein the top of the central seat plate is fixedly connected with a plurality of upper connecting pieces of the connecting pole tower;
the upper connecting piece is arranged around the central sleeve;
the upper connecting piece comprises fixing seats fixedly connected to the central seat plate, adjusting screws are connected to the fixing seats in a threaded mode, the adjusting screws comprise cylindrical screw rod portions which are connected to the fixing seats in a threaded mode, rectangular plate body portions are integrally formed in the tops of the cylindrical screw rod portions, and a plurality of long fastening screws which are arranged at intervals up and down are connected to the rectangular plate body portions in a threaded mode.
7. The mounting cross arm device for the lightning arrester of the power transmission pole tower according to claim 6, wherein the lower end of the central sleeve is fixedly connected with a lower connecting piece matched with the upper connecting piece;
the lower connecting piece comprises an upper motherboard fixedly connected to the central sleeve, and further comprises a lower motherboard fixedly assembled on the tower;
the upper motherboard and the lower motherboard are fastened and connected through a plurality of connecting screws.
8. The mounting cross arm device for the lightning arrester of the power transmission pole tower according to claim 7, wherein an annular mounting sleeve is welded at the bottom of the lower motherboard;
the annular mounting sleeve is connected with a plurality of screws fastened on the pole tower through threads.
9. The mounting cross arm device for the lightning arrester of the power transmission pole tower according to claim 2, wherein the left end and the right end of the cross arm plate are respectively connected in an assembling way through connecting rods;
the connecting rod piece comprises connecting plates which are respectively assembled and connected on the side walls of the cross arm plates facing each other, and a sleeve body is fixedly connected to the connecting plates;
a connecting rod is connected between the sleeve bodies in a sliding way;
the connecting rod is locked and fixed with the sleeve body through a locking screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321704857.2U CN220209924U (en) | 2023-06-29 | 2023-06-29 | Mounting cross arm device for lightning arrester of power transmission pole tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321704857.2U CN220209924U (en) | 2023-06-29 | 2023-06-29 | Mounting cross arm device for lightning arrester of power transmission pole tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220209924U true CN220209924U (en) | 2023-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321704857.2U Active CN220209924U (en) | 2023-06-29 | 2023-06-29 | Mounting cross arm device for lightning arrester of power transmission pole tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220209924U (en) |
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2023
- 2023-06-29 CN CN202321704857.2U patent/CN220209924U/en active Active
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