CN217026815U - Temporary external-damage-prevention height limiting device for power transmission line - Google Patents
Temporary external-damage-prevention height limiting device for power transmission line Download PDFInfo
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- CN217026815U CN217026815U CN202122777954.1U CN202122777954U CN217026815U CN 217026815 U CN217026815 U CN 217026815U CN 202122777954 U CN202122777954 U CN 202122777954U CN 217026815 U CN217026815 U CN 217026815U
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Abstract
The utility model discloses a temporary external damage prevention and height limitation device for a power transmission line, and aims to provide the temporary external damage prevention and height limitation device for the power transmission line, which can effectively play a role in height limitation and effectively avoid the problem that an engineering truck enters the lower part of the power transmission line to interfere with the power transmission line in the air in the process of running in a construction site to cause the failure and the shutdown of the power transmission line. The anti-falling device comprises a left upright post, a right upright post, a height limiting cross bar arranged at the top of the left upright post and a height limiting cross bar arranged at the top of the right upright post, and an anti-falling base frame, wherein the anti-falling base frame comprises a left longitudinal supporting beam, a right longitudinal supporting beam and a plurality of transverse connecting plates connected with the left longitudinal supporting beam and the right longitudinal supporting beam, the length of each longitudinal supporting beam is greater than 3 meters, the longitudinal supporting beams are anchored on the ground through first anchor rods, the longitudinal supporting beams are perpendicular to the height limiting cross bar, the transverse connecting plates are supported on the ground, the upright posts correspond to the longitudinal supporting beams one to one, and the lower ends of the upright posts are fixed on the corresponding longitudinal supporting beams.
Description
Technical Field
The utility model relates to an external damage prevention device for a power transmission line, in particular to a temporary external damage prevention height limiting device for the power transmission line.
Background
With the rapid development of national economy, the social requirements on the large capacity, safety and stability of the power system are gradually strengthened. The increasingly huge power grid improves excellent power supply service, and simultaneously, the requirement of safe operation and maintenance is increased. In recent years, with the expansion of urban construction, road construction and other constructions, more and more construction sites can enter a transmission line protection area, but transmission line operation and maintenance personnel cannot always stare at the site, and in the process that engineering vehicles (such as excavators, cranes and other engineering vehicles) constructed around a transmission line enter the lower part of the transmission line, the situation that the transmission line is stopped due to the fact that a bucket of the excavator is in a high-lift state and a suspension arm of the crane is not put down and interferes with the transmission line in the air easily occurs, and the power utilization of the economy and society is greatly influenced.
In order to solve the problem, a temporary external damage prevention height limiting device is generally arranged at a road with a power transmission line above the road of a construction site at present, the current temporary external damage prevention height limiting device generally comprises a left upright post, a right upright post and a height limiting cross rod arranged at the tops of the left upright post and the right upright post, the bottoms of the upright posts are generally anchored on the ground through anchor rods, namely the anchor rods are directly inserted into a soil layer (no concrete pile exists in the soil layer), and the bottoms of the upright posts are fixed on the anchor rods. Although the current temporary external-damage-prevention height limiting device can play a certain reminding role, in actual use, because the upright post of the temporary external-damage-prevention height limiting device is anchored on the ground through the anchor rod, the fixation is not firm, in the process of passing by a engineering truck, once the engineering truck interferes with the height limiting cross rod, the anchor rod for fixing the upright post can be pulled out very easily, so that the temporary external-damage-prevention height limiting device is damaged, the engineering truck can not be limited to move forwards, the height limiting failure is caused, the interference is caused with an aerial power transmission line, and the problem of failure and outage of the power transmission line is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a temporary external-damage-prevention height limiting device for a power transmission line, which can effectively play a role in limiting the height and effectively avoid the problem that the power transmission line fails and stops due to the interference of a power transmission line entering the lower part of the power transmission line and the power transmission line in the air when an engineering truck runs in a construction place.
The technical scheme of the utility model is as follows:
the utility model provides a transmission line is with interim outer broken limit for height device of preventing, about including two stands, the limit for height horizontal pole and the prevent toppling base frame of setting two stand tops about, prevent toppling base frame and including two vertical supporting beam about and a plurality of connection about two vertical supporting beam's transverse connection board, vertical supporting beam's length is greater than 3 meters, and vertical supporting beam is subaerial through first stock anchor, and vertical supporting beam is mutually perpendicular with limit for height horizontal pole, transverse connection board supports subaerial, the stand corresponds with vertical supporting beam one-to-one, and the lower extreme of stand is fixed on the vertical supporting beam who corresponds.
The temporary external damage prevention height limiting device for the power transmission line is specifically used as follows, a left longitudinal support beam and a right longitudinal support beam are arranged on the ground on the left side and the right side of a road with the power transmission line above a construction site, a transverse connecting plate is supported on the ground, and a height limiting cross rod is positioned above the road; because the stand column, the height-limiting cross rod is connected with the anti-toppling base frame as a whole, so, in the process that the engineering vehicle passes through the temporary anti-external-broken height-limiting device, wheels can run on the anti-toppling base frame, if the engineering vehicle interferes with the height-limiting cross rod in the process, the acting force of the height-limiting cross rod under the action of the engineering vehicle can be transmitted to the anti-toppling base frame through the stand column, under the condition that the stand column, the height-limiting cross rod and the anti-toppling base frame are not deformed, the engineering vehicle can be clamped in the temporary anti-external-broken height-limiting device, the problem that the height of the temporary anti-external-broken height-limiting device is failed due to the fact that the engineering vehicle is pulled out of the first anchor rod cannot occur, the height-limiting effect can be effectively achieved, and the problem that the engineering vehicle is in the running process of a construction place, enters the lower side of a power transmission line to interfere with the aerial power transmission line and the power transmission line is failed and stopped is effectively avoided.
Preferably, the transverse connection plates are parallel to the height-limiting cross bars, all the transverse connection plates are sequentially distributed at equal intervals along the length direction of the longitudinal support beam, and the distance between every two adjacent distributed transverse connection plates is smaller than 0.8 m. Therefore, in the process that the engineering truck runs on the anti-toppling base frame, the wheels can be pressed on the transverse connecting plate as much as possible.
Preferably, the distance between two adjacent transverse connecting plates is 0.3-0.5 m. Therefore, the wheels can be pressed on the transverse connecting plate as much as possible in the process of further ensuring that the engineering truck runs on the anti-toppling base frame.
Preferably, the length of the longitudinal supporting beam is 4-6 meters, and the transverse connecting plates are distributed at both ends of the longitudinal supporting beam.
Preferably, the longitudinal support beam is provided with an anchor rod through hole, the longitudinal support beam is supported on the ground, the first anchor rod is provided with a first locking nut, the lower end of the first anchor rod penetrates through the anchor rod through hole and is inserted into a soil layer, and the first locking nut is tightly pressed on the upper surface of the longitudinal support beam. In this way, the first anchor bar anchors the longitudinal support beam to the ground.
Preferably, the longitudinal support beam is provided with a plurality of limiting grooves which are in one-to-one correspondence with the transverse connecting plates, the limiting grooves are sequentially distributed along the length direction of the longitudinal support beam, the openings of the limiting grooves face downwards, and the transverse connecting plates are limited in the corresponding limiting grooves.
Preferably, the transverse connecting plate is connected with the longitudinal supporting beam through a bolt.
Preferably, the upright posts and the corresponding longitudinal support beams are connected through steel wire ropes or through connecting rods. Therefore, the connection stability of the upright post and the anti-toppling base frame can be further improved.
Preferably, the auxiliary support device for the stand column further comprises the auxiliary support device for the stand column, the auxiliary support device for the stand column comprises a second anchor rod, a second locking nut arranged on the second anchor rod, an inserting sleeve, a lower pull rod and an upper pull rod located above the lower pull rod, one end of the upper pull rod is connected with the stand column, the other end of the upper pull rod is connected with the lower pull rod, one end of the lower pull rod is connected with the bottom of the stand column, the other end of the lower pull rod is connected with the inserting sleeve, the second anchor rod penetrates through the inserting sleeve and is inserted into a soil layer, and the second locking nut is located above the inserting sleeve and locks the inserting sleeve on the ground. Therefore, the stability of the stand column can be further improved.
Preferably, the side wall of the plug bush is provided with a vertical connecting plate, the vertical connecting plate is provided with a vertically extending strip hole, the other end of the lower pull rod is provided with a bolt through hole, the other end of the lower pull rod is connected with the plug bush through a bolt, and the bolt penetrates through the bolt through hole and the strip hole.
Preferably, the top of the upright post is provided with a transverse connecting sleeve, and the height limiting cross rod is inserted in the transverse connecting sleeve. Therefore, the upright post and the height-limiting cross rod can be conveniently detached and installed.
The utility model has the beneficial effects that: the height limiting function can be effectively achieved, and the problem that the transmission line breaks down and stops due to the fact that the engineering truck enters the lower portion of the transmission line to interfere with the transmission line in the air in the driving process of a construction place is effectively avoided.
Drawings
Fig. 1 is a schematic structural diagram of a temporary external damage height prevention device for a power transmission line according to the present invention.
Fig. 2 is a schematic cross-sectional view taken along line a-a in fig. 1.
In the figure:
the vertical column 1 is transversely connected with the sleeve 1.1;
a height limiting cross bar 2;
the anti-toppling base frame 3, the longitudinal support beam 3.1 and the transverse connecting plate 3.2;
a first anchor rod 4;
the auxiliary supporting device for the upright column 5, the second anchor rod 5.1, the inserting sleeve 5.2, the lower pull rod 5.3 and the upper pull rod 5.4;
a steel cord 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present scheme and are not construed as limiting the scheme of the present invention.
These and other aspects of embodiments of the utility model will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the utility model have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the utility model may be practiced, but it is understood that the scope of the embodiments of the utility model is not limited thereby. On the contrary, the embodiments of the utility model include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "a plurality" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The first embodiment is as follows: as shown in fig. 1 and 2, a temporary external-damage-proof height limiting device for a power transmission line comprises a left upright post and a right upright post 1, a height limiting cross rod 2 arranged at the tops of the left upright post and the right upright post, and an anti-toppling base frame 3. The anti-toppling bed frame 3 comprises a left longitudinal support beam 3.1 and a right longitudinal support beam 3.1 and a plurality of transverse connecting plates 3.2 for connecting the left longitudinal support beam and the right longitudinal support beam. The length of the longitudinal supporting beam is more than 3 meters, and the longitudinal supporting beam is anchored on the ground through a first anchor rod 4. The longitudinal supporting beam is vertical to the height limiting cross bar. The transverse connecting plate is supported on the ground. The upright posts correspond to the longitudinal support beams one by one, and the lower ends of the upright posts are fixed on the corresponding longitudinal support beams. In this embodiment, the vertical columns are connected with the corresponding longitudinal support beams through the steel wire ropes 6 or through the connecting rods.
The temporary external damage prevention and height limitation device for the power transmission line is specifically used as follows, a left longitudinal support beam and a right longitudinal support beam are arranged on the ground on the left side and the right side of a road with the power transmission line above a construction site, a transverse connecting plate is supported on the ground, and a height limitation cross rod is arranged above the road; because the upright post, the height-limiting cross rod and the anti-toppling base frame are connected into a whole, in this way, in the process that the engineering vehicle passes through the temporary anti-external-damage height-limiting device, wheels can run on the anti-toppling base frame, if the engineering vehicle interferes with the height-limiting cross rod in the process, the acting force of the height-limiting cross rod under the action of the engineering vehicle can be transmitted to the anti-toppling base frame through the upright post, under the condition that the upright post, the height-limiting cross rod and the anti-toppling base frame are not deformed, the engineering vehicle can be clamped in the temporary anti-external-damage height-limiting device, the problem that the height-limiting device fails due to the fact that a first anchor rod is pulled out in the first anchor rod cannot occur, the height-limiting effect can be effectively achieved, and the problem that the engineering vehicle enters the lower part of the power transmission line to interfere with the overhead power transmission line in the running process of a construction place and the power transmission line is caused to stop running due to faults can be effectively avoided.
Specifically, as shown in fig. 1 and 2, the length of the longitudinal supporting beam is 4-6 m, and the transverse connecting plates are distributed at both ends of the longitudinal supporting beam. The same longitudinal support beam is anchored on the ground through a plurality of first anchor rods which are distributed along the length direction of the longitudinal support beam in sequence.
The transverse connecting plates are parallel to the height-limiting cross bars, and all the transverse connecting plates are sequentially distributed at equal intervals along the length direction of the longitudinal supporting beam. The distance between two adjacent transverse connecting plates is less than 0.8 m, and in the embodiment, the distance between two adjacent transverse connecting plates is 0.3-0.5 m. Therefore, in the process that the engineering truck runs on the anti-toppling base frame, the wheels can be pressed on the transverse connecting plate as much as possible.
Further, as shown in fig. 1, a transverse connecting sleeve 1.1 is arranged at the top of the upright post, and a height limiting cross rod is inserted in the transverse connecting sleeve. Therefore, the upright post and the height-limiting cross rod can be conveniently detached and installed.
Furthermore, an anchor rod through hole is formed in the longitudinal supporting beam, the longitudinal supporting beam is supported on the ground, a first locking nut is arranged on the first anchor rod, the lower end of the first anchor rod penetrates through the anchor rod through hole and is inserted into a soil layer, and the first locking nut is tightly pressed on the upper surface of the longitudinal supporting beam. In this way, the first anchor bar anchors the longitudinal support beam to the ground.
Furthermore, a plurality of limiting grooves which are in one-to-one correspondence with the transverse connecting plates are formed in the longitudinal supporting beam, the limiting grooves are sequentially distributed along the length direction of the longitudinal supporting beam, openings of the limiting grooves face downwards, and the transverse connecting plates are limited in the corresponding limiting grooves. The transverse connecting plate is connected with the longitudinal supporting beam through a bolt.
Further, as shown in fig. 1 and 2, the temporary external damage and height limiting device for the power transmission line further comprises an upright post auxiliary supporting device 5. In this embodiment, each stand corresponds three auxiliary stay devices. The upright post auxiliary supporting device comprises a second anchor rod 5.1, a second locking nut arranged on the second anchor rod, an inserting sleeve 5.2, a lower pull rod 5.3 and an upper pull rod 5.4 positioned above the lower pull rod. One end of the upper pull rod is connected with the corresponding upright post, and the other end of the upper pull rod is connected with the lower pull rod. One end of the lower pull rod is connected with the bottom of the corresponding upright post, and the other end of the lower pull rod is connected with the plug bush. The upper pull rod, the lower pull rod and the corresponding upright post form a triangular connection structure. The second anchor rod passes through the plug-in sleeve and is inserted in the soil layer. The second locking nut is positioned above the plug bush and locks the plug bush on the ground. Therefore, the stability of the stand column can be further improved.
The side wall of the plug bush is provided with a vertical connecting plate, and the vertical connecting plate is provided with a vertically extending strip hole. The other end of the lower pull rod is provided with a bolt through hole, the other end of the lower pull rod is connected with the plug-in sleeve through a bolt, and the bolt penetrates through the bolt through hole and the strip hole.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a transmission line is with interim outer broken limit for height device of preventing, about including two stands and the limit for height horizontal pole of setting two stand tops about, characterized by still including preventing empting the bed frame, prevent empting the bed frame and include about two longitudinal support beam and a plurality of connect about two longitudinal support beam's transverse connection board, longitudinal support beam's length is greater than 3 meters, and longitudinal support beam is subaerial through first stock anchor, and longitudinal support beam is mutually perpendicular with the limit for height horizontal pole, transverse connection board supports subaerial, the stand corresponds with longitudinal support beam one-to-one, and the lower extreme of stand is fixed on the longitudinal support beam who corresponds.
2. The temporary external damage prevention height limiting device for the transmission line as claimed in claim 1, wherein the transverse connecting plates are parallel to the height limiting cross bar, each transverse connecting plate is sequentially and equidistantly distributed along the length direction of the longitudinal supporting beam, and the distance between two adjacent transverse connecting plates is less than 0.8 m.
3. The temporary external damage and height limiting device for the transmission line according to claim 2, wherein the distance between two adjacent transverse connection plates is 0.3-0.5 m.
4. A temporary external-damage-preventing height-limiting device for transmission lines as claimed in claim 1, 2 or 3, wherein the length of said longitudinal supporting beam is 4-6 m, and said transverse connecting plates are distributed at both ends of said longitudinal supporting beam.
5. The temporary external-damage-prevention height limiting device for the power transmission line as claimed in claim 1, 2 or 3, wherein the longitudinal support beam is provided with an anchor rod through hole, the longitudinal support beam is supported on the ground, the first anchor rod is provided with a first locking nut, the lower end of the first anchor rod penetrates through the anchor rod through hole and is inserted into the soil layer, and the first locking nut is pressed on the upper surface of the longitudinal support beam.
6. The temporary external-damage-prevention height limiting device for the transmission line as claimed in claim 1, 2 or 3, wherein a plurality of limiting grooves are formed in the longitudinal support beam and correspond to the transverse connecting plates one by one, the limiting grooves are distributed along the length direction of the longitudinal support beam in sequence, openings of the limiting grooves face downwards, and the transverse connecting plates are limited in the corresponding limiting grooves.
7. A temporary external damage prevention height limiting device for transmission lines according to claim 1, 2 or 3, wherein the vertical columns are connected with the corresponding longitudinal support beams through steel cables or through connecting rods.
8. The temporary external-damage-prevention height limiting device for the power transmission line as claimed in claim 1, 2 or 3, further comprising an auxiliary upright supporting device, wherein the auxiliary upright supporting device comprises a second anchor rod, a second locking nut arranged on the second anchor rod, an inserting sleeve, a lower pull rod and an upper pull rod positioned above the lower pull rod, one end of the upper pull rod is connected with the upright, the other end of the upper pull rod is connected with the lower pull rod, one end of the lower pull rod is connected with the bottom of the upright, the other end of the lower pull rod is connected with the inserting sleeve, the second anchor rod penetrates through the inserting sleeve and is inserted into a soil layer, and the second locking nut is positioned above the inserting sleeve and locks the inserting sleeve on the ground.
9. The temporary external damage prevention height limiting device for the transmission line according to claim 8, wherein a vertical connecting plate is arranged on a side wall of the plug bush, a vertically extending elongated hole is formed in the vertical connecting plate, a bolt passing hole is formed in the other end of the lower pull rod, and the other end of the lower pull rod is connected with the plug bush through a bolt which passes through the bolt passing hole and the elongated hole.
10. A temporary external damage prevention height limiting device for transmission lines according to claim 1, 2 or 3, wherein the top of the upright post is provided with a transverse connecting sleeve, and the height limiting cross rod is inserted into the transverse connecting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122777954.1U CN217026815U (en) | 2021-11-12 | 2021-11-12 | Temporary external-damage-prevention height limiting device for power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122777954.1U CN217026815U (en) | 2021-11-12 | 2021-11-12 | Temporary external-damage-prevention height limiting device for power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217026815U true CN217026815U (en) | 2022-07-22 |
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ID=82439274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122777954.1U Active CN217026815U (en) | 2021-11-12 | 2021-11-12 | Temporary external-damage-prevention height limiting device for power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217026815U (en) |
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2021
- 2021-11-12 CN CN202122777954.1U patent/CN217026815U/en active Active
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