CN216866072U - High-voltage wire protection safety frame for sea engineering - Google Patents
High-voltage wire protection safety frame for sea engineering Download PDFInfo
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- CN216866072U CN216866072U CN202220010294.6U CN202220010294U CN216866072U CN 216866072 U CN216866072 U CN 216866072U CN 202220010294 U CN202220010294 U CN 202220010294U CN 216866072 U CN216866072 U CN 216866072U
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Abstract
A high-voltage line protection safety frame for offshore engineering is covered on the outer side of a telegraph pole of a construction site and comprises a frame body and a foundation, wherein the frame body comprises a support frame and a protection frame; the support frame comprises a vertical rod, a first cross rod and a first longitudinal rod; the upright posts are arranged in multiple groups at intervals along the longitudinal direction, and the upright post at the rightmost side of the support frame exceeds the top of the support frame; the first cross rods are connected between each group of upright rods at intervals along the vertical direction and form rectangular grid frame body units together with the upright rods; the first longitudinal rod connects a group of rectangular grid frame body units into a whole; the lateral surfaces of the periphery of the supporting frame are respectively provided with a shear brace, the right lateral surface of the supporting frame is provided with an insulating protection plate, and the insulating protection plate is provided with a PET red and white warning reflective tape; the protection frame is arranged on the upper portion of the supporting frame. The external protection of the protection safety frame adopts the large-space insulation protection plates, so that the wind resistance is effectively reduced, and the protection safety frame is suitable for construction in a sea-facing windy area; the difficult problem of setting up of protection when the construction site is less is solved.
Description
Technical Field
The utility model belongs to the technical field of building construction operation safety protection, and particularly relates to a high-voltage line protection safety frame for sea-facing engineering.
Background
The engineering construction site near the road often has overhead high-voltage lines or weak electric lines, so that safety hazards can be generated during the hoisting operation of large-scale mechanical equipment, if the tower crane runs normally, the rotating mechanism suddenly fails to take braking measures immediately in case of power failure, the tower arm continues to rotate, and the danger that a sling or a hoisted object touches the high-voltage lines is possibly caused. The minimum safe operating distance between the construction project and the sidelines of the overhead lines is specified according to the technical Specification for temporary electricity utilization at construction sites (JGJ46-2005) chapter 4 external electric line protection. When the safety distance is not required, insulation isolation protection measures must be taken, and a striking warning sign should be hung.
Wind speed of offshore engineering is high, the requirement on stability of the frame body is high for the common closed net protection frame, the attractiveness of the frame body is affected after the protection net is broken, and certain potential safety hazards are generated. In order to safely operate the safety of production safety and tower crane, ensure constructor's personal safety, prevent that accident from taking place, it is nearer apart from the engineering construction place to work as the high-voltage line, and the construction place space is less, and how to provide a high-voltage line protection frame who saves space is the difficult problem that needs to solve at present urgently.
Disclosure of Invention
The utility model aims to provide a high-voltage wire protection safety frame for offshore engineering, and aims to solve the technical problems that the existing high-voltage wire protection frame is large in size, occupies a large space and cannot meet the requirements of the space size of a construction site.
In order to achieve the purpose, the specific technical scheme of the high-voltage wire protection safety frame for the coastal engineering is as follows.
A high-voltage line protection safety frame for offshore engineering is covered on the outer side of a telegraph pole of a construction site and comprises a frame body and a foundation, wherein the frame body comprises a support frame and a protection frame; the support frame comprises a vertical rod, a first cross rod and a first longitudinal rod; the upright posts are arranged in multiple groups at intervals along the longitudinal direction, and the upright post at the rightmost side of the support frame exceeds the top of the support frame; the first cross rods are connected between each group of upright rods at intervals along the vertical direction and form rectangular grid frame body units together with the upright rods; the first longitudinal rod connects a group of rectangular grid frame body units into a whole; the lateral surfaces of the periphery of the supporting frame are respectively provided with a shear brace, the right lateral surface of the supporting frame is provided with an insulating protection plate, and the insulating protection plate is provided with a PET red and white warning reflective tape; the protective frame is arranged at the upper part of the supporting frame and covers the outer side of the telegraph pole in the construction site, the protective frame is of a rectangular frame structure, the width of the protective frame is larger than that of the supporting frame, an inclined strut is arranged at the bottom of the part, exceeding the supporting frame, of the protective frame, the upper end of the inclined strut is connected with the protective frame, and the lower end of the inclined strut is connected with the supporting frame; the protective frame comprises a supporting rod, a second cross rod and a second longitudinal rod; the width of the second cross bar is larger than that of the first cross bar; bamboo basketry sheet protective layers are arranged above the protective frame and above the high-voltage line at intervals along the vertical direction.
Further, the distance between the adjacent insulation protection plates is 130-150 mm.
Furthermore, the outer surface of the frame body is provided with the guy rope at intervals along the direction of the high-voltage line, the upper end of the guy rope is connected with the upper part of the protection frame, and the lower end of the guy rope is connected with the foundation.
Furthermore, hemp ropes or rattans are bound between the vertical rod and the first cross rod, between the vertical rod and the shear support and between the first cross rod and the shear support respectively.
Further, the span between the vertical rods in each row is the same.
The utility model has the following advantages: (1) the external protection of the protection frame adopts the insulating protection plates with large intervals, so that the wind resistance is effectively reduced, the protection frame is suitable for the construction of a sea-facing windy area, the protection of a high-voltage line can be ensured, the effect of beautifying the environment of a construction site can be realized, and the requirement of civilized construction is met; (2) the problem of difficult protection erection when the high-voltage line is close to an engineering construction site and the construction site is small is solved; (3) the construction method is simple, the erection is convenient, the height can be properly adjusted according to the actual condition, the safety degree of a construction site is improved, and the economic and technical benefits are obvious.
Drawings
Fig. 1 is a side view of a high-voltage line protection safety frame for offshore engineering according to the present invention.
Fig. 2 is a perspective view of a high-voltage line protection safety rack for offshore engineering according to the present invention.
Fig. 3 is an enlarged view of a part a of the high-voltage line protection safety rack for the offshore engineering.
Fig. 4 is an enlarged view of a part B of the high-voltage line protection safety rack for offshore engineering according to the present invention.
The notation in the figure is: 1. a utility pole; 2. a frame body; 3. a foundation; 2.1, a support frame; 2.2, a protective frame; 2.1.1, erecting a rod; 2.1.2, a first cross bar; 2.1.3, a first longitudinal rod; 2.2.1, a support rod; 2.2.2, a second cross bar; 2.2.3, a second longitudinal rod; 4. a shear support; 5. an insulating protection plate; 6. a PET red and white warning reflective tape; 7. bracing; 8. a high-voltage line; 9. a bamboo basketry sheet protective layer; 10. a guy rope.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, a high voltage line protection safety rack for offshore engineering according to the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-2, the high-voltage line protection safety frame for offshore engineering of the present invention is covered on the outer side of a utility pole 1 of a construction site, and is erected by using a top-enlarged erection method, and the voltage grade of an external electric line is 10 kv. The safety frame comprises a frame body 2 and a foundation 3, wherein the foundation 3 is preferably three-layer sand lime bricks, and the moso bamboo can be prevented from being rotten due to long-term contact with soil. The frame body 2 is erected by selecting moso bamboos with the growth period of more than 3 years, the bamboo poles are required to be straight and tough, and the diameter of the small end of the effective part of the bamboo pole is 80 mm. The support body 2 includes support frame 2.1 and protection frame 2.2, and support frame 2.1 has the multiunit including pole setting 2.1.1, first horizontal pole 2.1.2 and first vertical pole 2.1.3, pole setting 2.1.1, along vertical corresponding interval arrangement. The rightmost upright stanchion of the support frame 2.1 exceeds the top of the support frame 2.1, the first cross bars 2.1.2 are connected between each group of upright stanchions 2.1.1 at intervals along the vertical direction and form a rectangular grid frame body unit together with the upright stanchions 2.1.1; the first vertical rod 2.1.3 connects a group of rectangular grid frame body units into a whole. The lateral surfaces of the periphery of the support frame 2.1 are respectively provided with a shear brace 4, and the width of the shear brace 4 is not less than 4 spans and not less than 6 m. Fig. 3 is a partial enlarged view of a part a of the bottom of the safety frame, an insulation protection plate 5 is arranged on the right side face of the support frame 2.1, the insulation protection plate 5 is a wood board with the width of 100mm and the thickness of not less than 8mm, and the distance between every two adjacent insulation protection plates 5 is 130-150 mm. Adopt the insulating protection plate 5 of such big interval to enable wind and pass through smoothly in the protection frame, effectively reduce the windage resistance, reduce the influence of wind speed to support body 2. Meanwhile, the insulation protection plate 5 is provided with a PET red and white warning reflective belt 6 which plays a warning role for workers on a construction site. The protection frame 2.2 is arranged on the upper portion of the support frame 2.1 and covers the outer side of the telegraph pole 1 in the construction site, the protection frame 2.2 is of a rectangular frame structure, the width of the protection frame is larger than that of the support frame 2.1, the bottom of the part, exceeding the support frame 2.1, of the protection frame 2.2 is provided with the inclined strut 7, the upper end of the inclined strut 7 is connected with the protection frame 2.2, the lower end of the inclined strut 7 is connected with the support frame 2.1, and the inclined angle between the inclined strut 7 and the ground is 45-60 degrees. By adopting the building mode, the overall stability of the protective frame can be further reinforced. The protective frame 2.2 comprises a support rod 2.2.1, a second cross rod 2.2.2 and a second longitudinal rod 2.2.3; the width of second horizontal pole 2.2.2 is greater than the width of first horizontal pole 2.1.2, and the support body 2 of this kind of shape saves space, is convenient for when the construction place is less, for example the construction place right side is the erection of support body 2 when the pile row is strutted to the foundation ditch, owing to be provided with two sections bracing 7, gives the bigger holding power of lower part support frame 2.1 simultaneously for support body 2 is more firm. The bamboo basketry sheet protective layers 9 are arranged above the protective frame 2.2 and above the high-voltage wire 8 at intervals along the vertical direction, the bamboo basketry sheet protective layers 9 have two layers, the high-voltage wire 8 penetrates through the bottom of the lower layer bamboo basketry sheet protective layer 9, and the distance between the two bamboo basketry sheet protective layers 9 is 500 mm. The vertical distance between the upper bamboo basketry sheet protective layer 9 positioned at the top of the high-voltage wire 8 and the high-voltage wire 8 is more than 1.7 meters.
This embodiment, the surface of support body 2 when wind speed surpasss 5 grades, sets up cable wind rope 10 along every 12 meters of high-voltage line 1 trend direction in protection frame both sides, improves 2 holistic antidumping performances of support body, and stability. The cable wind rope 10 is a steel wire rope with the diameter not less than 9.3mm, the included angle between the cable wind rope 10 and the ground is 30-45 degrees, the upper end of the cable wind rope 10 is connected with the upper part of the protective frame 2.2, and the lower end of the cable wind rope 10 is connected with the foundation 3.
In this embodiment, the vertical rod 2.1.1 is bound to the first cross rod 2.1.2, the vertical rod 2.1.1 is bound to the shearing force 4, and the first cross rod 2.1.2 is bound to the shearing force support 4 by hemp ropes or rattans.
In this embodiment, the span between the rows of uprights 2.1.1 is the same and is 1.5 m.
The method for setting up the protective frame of the utility model is as follows,
a. determining set up parameters
1) Setting a minimum safety distance between the protective equipment and the external electric line: the voltage grade of an external electric circuit is less than or equal to 10kv, and the corresponding minimum safe distance is 1.7 m; the voltage level of an external electric circuit is 35kv, and the corresponding minimum safe distance is 2.0 m; the voltage level of an external electric circuit is 110kv, and the corresponding minimum safe distance is 2.5 m; the voltage grade of the external electric line is 10kv, and the distance between the high-voltage line and the ground is 11 m;
2) the distance between the telegraph pole 8 and the left foundation pit supporting row pile is 1.4m, and the telegraph pole is erected by adopting a top-enlarged erection method;
3) the whole protection frame is erected by selecting moso bamboos with the growth period of more than 3 years, the bamboo poles are required to be straight and tough, and the diameter of the small end of the effective part of each bamboo pole is 80 mm;
4) the insulating protection plate 5 is a wood plate with the width of 100mm and the thickness of not less than 8 mm.
b. Base treatment
Before the whole protection frame is erected, a field is leveled and tamped, three-layer lime-sand bricks are longitudinally built along the vertical rod 2.1.1 to serve as a bottom foundation 3 of the vertical rod 2.1.1, and drainage ditches are built with bricks around for drainage, so that potential safety hazards caused by water accumulation are prevented.
c. The support frame 2.1 and the protective frame 2.2 are set up
Four rows of upright rods 2.1.1 are arranged along the direction of the high-voltage wire 8, the transverse distance is 1.5m, the longitudinal distance is 1.5m, the step distance is 1.8m, the binding material is bound by hemp ropes or rattans, and the length of the lap joint section is more than 1500 mm. The pole setting 2.1.1 in support frame 2.1 left side has one section down tube on upper portion, guarantees that the pole setting 2.1.1 that is located 8 both sides of high-voltage line is greater than 1.7 meters with 8 horizontal distance on the high-voltage line. The vertical distance between an upper bamboo basketry sheet protective layer 9 of the protective frame 2.2 positioned at the top of the high-voltage wire 8 and the high-voltage wire 8 is more than 1.7 meters; and the distance between the two bamboo basketry sheet protective layers 9 is 500 mm. For the position close to the high-voltage wire 8, the cross rod 2.1.2 and the telegraph pole 8 are fixed in a pole holding mode, so that the stability of the telegraph pole is higher.
A shear support 4 is arranged in the longitudinal direction of the outer side of the support frame 2.1, the width of the shear support 4 is not less than 4 spans and not less than 6m, and the inclination angle between the diagonal rod and the ground is 45-60 degrees; the cross braces 4 are arranged in every three spans in the transverse direction of the support frame 2.1, so that the stability of the support frame 2.1 is ensured; the two sides of the bottom of the support frame 2.1 are provided with a plurality of ground anchors which are fixedly connected with the vertical rods 2.1.1, the ground anchors are HRB400 steel bars with the diameter of 22mm or steel pipes with the diameter of 48.3 multiplied by 3.6, the length of the ground anchors entering the ground is more than or equal to 1500mm, and the distance between the ground anchors along the 2 directions of the support frame body is 3000 mm. When the wind speed exceeds 5 grades, the cable wind ropes 10 are additionally arranged on two sides of the protective frame at intervals of 12 meters along the moving direction of the high-voltage wire 8, the overturning resistance of the support frame 2.1 is improved, the cable wind ropes 10 are steel wire ropes with the diameter not smaller than 9.3mm, and the included angle between the cable wind ropes 10 and the ground is 30-45 degrees.
Set up insulation protection plate 5 in the 4 outsides of vertical bridging of support frame 2.1, insulation protection plate 5 is 150mm along the interval between 2 vertical direction of support body to reduce the influence of wind speed to support body 2, the 5 outsides of insulation protection plate are equipped with the red white warning reflection of light area 6 of PET, play the warning effect to job site staff.
d. Checking and accepting of whole protection frame
After the whole protection frame is erected, the protection frame can be put into use after being checked and accepted by relevant personnel such as a construction unit, a supervision unit, a construction unit and the like and signed and confirmed.
e. The whole protection frame is dismantled
When the whole protection frame is dismantled, a fence and a warning mark are arranged on the ground, a specially-assigned person is sent to watch, and non-operating personnel are strictly prohibited to enter the protection frame; and dismantling according to the principle that the protective frame is firstly dismantled, the same plane is dismantled simultaneously and the partitions are dismantled.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. The utility model provides a high-voltage line protection safety frame for facing sea engineering, the outside at construction site wire pole (1) is established to the cover, includes support body (2) and basis (3), its characterized in that: the frame body (2) comprises a support frame (2.1) and a protective frame (2.2); the support frame (2.1) comprises a vertical rod (2.1.1), a first cross rod (2.1.2) and a first longitudinal rod (2.1.3); the upright posts (2.1.1) are provided with a plurality of groups and are correspondingly arranged at intervals along the longitudinal direction, and the upright post at the rightmost side of the support frame (2.1) exceeds the top of the support frame (2.1); the first cross rods (2.1.2) are connected between each group of upright rods (2.1.1) at intervals along the vertical direction and form rectangular grid frame body units together with the upright rods (2.1.1); the first longitudinal rod (2.1.3) connects a group of rectangular grid frame body units into a whole; shear braces (4) are respectively arranged on the peripheral side surfaces of the support frame (2.1), an insulation protection plate (5) is arranged on the right side surface of the support frame (2.1), and a PET red-white warning reflective tape (6) is arranged on the insulation protection plate (5); the protective frame (2.2) is arranged at the upper part of the support frame (2.1) and covers the outer side of the telegraph pole (1) in the construction site, the protective frame (2.2) is of a rectangular frame structure, the width of the protective frame is larger than that of the support frame (2.1), an inclined strut (7) is arranged at the bottom of the part, exceeding the support frame (2.1), of the protective frame (2.2), the upper end of the inclined strut (7) is connected with the protective frame (2.2), and the lower end of the inclined strut is connected with the support frame (2.1); the protective frame (2.2) comprises a supporting rod (2.2.1), a second cross rod (2.2.2) and a second longitudinal rod (2.2.3); the width of the second cross bar (2.2.2) is larger than that of the first cross bar (2.1.2); bamboo basketry sheet protective layers (9) are arranged above the protective frame (2.2) and above the high-voltage line (8) at intervals along the vertical direction.
2. The high-voltage wire protection safety frame for coastal engineering according to claim 1, characterized in that: the distance between the adjacent insulation protection plates (5) is 130-150 mm.
3. The high-voltage wire protection safety frame for coastal engineering according to claim 1, characterized in that: the outer surface of the frame body (2) is provided with cable wind ropes (10) at intervals along the moving direction of the high-voltage wire (8), the upper ends of the cable wind ropes (10) are connected with the upper part of the protective frame (2.2), and the lower ends of the cable wind ropes (10) are connected with the foundation (3).
4. The high-voltage wire protection safety frame for the coastal engineering according to claim 1, wherein the upright rod (2.1.1) and the first cross rod (2.1.2), the upright rod (2.1.1) and the shear support (4), and the first cross rod (2.1.2) and the shear support (4) are bound by hemp ropes or rattans respectively.
5. The high-voltage wire protection safety frame for coastal engineering according to claim 1, characterized in that: the span between the rows of upright rods (2.1.1) is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220010294.6U CN216866072U (en) | 2022-01-05 | 2022-01-05 | High-voltage wire protection safety frame for sea engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220010294.6U CN216866072U (en) | 2022-01-05 | 2022-01-05 | High-voltage wire protection safety frame for sea engineering |
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| Publication Number | Publication Date |
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| CN216866072U true CN216866072U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220010294.6U Active CN216866072U (en) | 2022-01-05 | 2022-01-05 | High-voltage wire protection safety frame for sea engineering |
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| Country | Link |
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| CN (1) | CN216866072U (en) |
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- 2022-01-05 CN CN202220010294.6U patent/CN216866072U/en active Active
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