CN113863698A - A construction safety device for electric wire netting infrastructure - Google Patents
A construction safety device for electric wire netting infrastructure Download PDFInfo
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- CN113863698A CN113863698A CN202111089370.3A CN202111089370A CN113863698A CN 113863698 A CN113863698 A CN 113863698A CN 202111089370 A CN202111089370 A CN 202111089370A CN 113863698 A CN113863698 A CN 113863698A
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- rotating roller
- elastic
- line tower
- winch
- construction safety
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3271—Safety mattresses
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- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention provides a construction safety protection device for power grid infrastructure, which belongs to the technical field of infrastructure and comprises a first rotating roller, extension rods, a second rotating roller, an elastic cushion and a winch, wherein the extension rods are rotatably connected to a power line tower, the second rotating roller is rotatably arranged between the two extension rods and is arranged in parallel with the first rotating roller, the upper end of the elastic cushion is connected with the first rotating roller, the lower end of the elastic cushion is connected with the winch by bypassing the second rotating roller, the winch is started to pull up or put down the elastic cushion, and the extension rods and the second rotating roller rotate outwards under the action of the elastic cushion, so that the height of the elastic cushion is improved. According to the construction safety protection device for power grid infrastructure, the height of the elastic cushion can be increased by winding the winch, and the extension rod and the second rotating roller which are rotatably connected can absorb impact force through up-and-down swinging within a certain range when the elastic cushion is impacted, so that the safety performance is improved.
Description
Technical Field
The invention belongs to the technical field of infrastructure, and particularly relates to a construction safety protection device for power grid infrastructure.
Background
After the power transmission line tower is erected, workers need to climb to the top of the tower to install parts needed by the high-voltage line, and the parts are ready for installation of the high-voltage line in the later period. Because the height of the power transmission line tower can reach tens of meters, the safety of working of workers at the top of the tower is low, the risk is high, and the workers can not be ensured to work safely and reliably at high altitude although safety ropes are tied on the workers. Before falling, a worker usually has a period of stiff duration, and is suspended in the air by the residual tension of the safety rope, and the period is the golden time for rescuing the worker, and no corresponding safety device can effectively utilize the period of rescue time at present.
Disclosure of Invention
The invention aims to provide a construction safety protection device for power grid infrastructure, and aims to solve the technical problem that in the prior art, working safety of workers at the top of a power transmission tower is low.
In order to achieve the purpose, the invention adopts the technical scheme that: the construction safety protection device for power grid infrastructure comprises a first rotating roller, an extension rod, a second rotating roller, an elastic pad and a winch, wherein the first rotating roller is horizontally arranged on the upper part of the side surface of a power transmission line tower, and the central axis of the first rotating roller is parallel to the side surface of the power transmission line tower; the number of the extension rods is two, one end of each extension rod is respectively and rotatably connected to the lower part of the side face of the power line tower, and the other end of each extension rod extends outwards; the second rotating roller is arranged between the two extension rods, and two ends of the second rotating roller are respectively connected to the other ends of the two extension rods; the second rotating roller is arranged in parallel with the first rotating roller; the upper end of the elastic pad is connected with the first rotating roller, and the lower end of the elastic pad bypasses the second rotating roller and extends towards one side far away from the power transmission line tower; the winch is arranged on one side of the power line tower and is fixedly connected with the lower end of the elastic pad; the winch is started to pull up or put down the elastic cushion, and the extension rod and the second rotating roller rotate outwards under the action of the elastic cushion, so that the height of the elastic cushion is increased.
In one possible implementation, the extension pole includes:
one end of the first connecting rod rotates on the power transmission line tower, and the other end of the first connecting rod extends outwards; the other end of the first connecting rod is provided with an installation groove;
the elastic piece is arranged in the mounting groove, and the lower end of the elastic piece is connected with the mounting groove; the length direction of the elastic piece is the same as that of the first connecting rod;
one end of the second connecting rod is connected in the mounting groove in a sliding manner and is fixedly connected with the upper end of the elastic piece; two ends of the second rotating roller are connected to the two second connecting rods;
the resetting device is used for being installed on the power line tower and connected with the first connecting rod; the reset device is used for driving the first connecting rod and the second connecting rod to move towards the power line tower and reset.
In a possible implementation manner, a plurality of annular avoidance grooves are formed in the second rotating roller at intervals, a plurality of groups of handles corresponding to the annular avoidance grooves are arranged on the elastic cushion, and the handles are made of elastic materials; the plurality of groups of handles are arranged along the length direction of the elastic pad.
In a possible implementation manner, a plurality of slideways are further arranged on the elastic pad, and each slideway is located between two adjacent groups of the handles; the slide includes the protruding strip of elasticity that two intervals set up, the protruding strip of elasticity passes and corresponds the inslot is dodged to the annular, the length direction of the protruding strip of elasticity with the length direction of cushion is the same.
In a possible implementation manner, the construction safety protection device for power grid infrastructure further includes:
the safety box body is arranged between the winch and the power line tower; the upper end of the safety box body is provided with a first opening;
the number of the air cushion column groups is multiple, and the safety box body is internally provided with a safety box body; the air cushion column groups are arranged in parallel from the winch to the power line tower;
a plurality of elastic balls are fixedly arranged at the upper ends of the air cushion columns of each air cushion column group respectively;
the air inflation tubes are connected with the air cushion column groups respectively and used for inflating air into the air cushion column groups;
the air release valves are connected with the air cushion column groups respectively and used for releasing air in the air cushion column groups;
the winch is started to pull up or put down the elastic cushion to change the height of the elastic cushion, the inflation pipe and the deflation valve are opened, so that the heights of the air cushion column groups are consistent or the heights of the air cushion column groups are linearly and gradually reduced from the winch to the power transmission line tower, and the heights of the elastic balls on the air cushion column groups are matched with the heights of the elastic cushion above the air cushion column groups.
In a possible implementation manner, the construction safety protection device for power grid infrastructure further includes:
the supporting box body is arranged on one side of the power transmission line tower; the upper end of the supporting box body is provided with a second opening;
the lifter is fixedly arranged in the supporting box body; a supporting plate is arranged at the upper end of the lifter, and the winch is arranged on the supporting plate;
when the winch is started to pull up the elastic cushion, the lifter is started to lift the height of the winch, and the height of the elastic cushion is lifted.
In a possible implementation manner, a mounting shell is arranged on the winch, an L-shaped stop block is arranged on the mounting shell, one end of the L-shaped stop block is rotatably connected with the mounting shell, and the other end of the L-shaped stop block extends towards the elastic pad and is in contact with the elastic pad.
In a possible implementation manner, a walking wheel and a driving mechanism for driving the walking wheel to move along a direction deviating from the power line tower are arranged on the supporting box body.
In a possible implementation manner, the construction safety protection device for power grid infrastructure further includes:
the number of the slide rails is two, and the slide rails are used for being installed on the side face of the power transmission line tower; the two slide rails are vertically arranged along the support rod of the power transmission line tower, and the lower ends of the slide rails are positioned above the extension rod;
the number of the mounting blocks is two, and the mounting blocks are respectively mounted on the slide rail in a sliding manner; two ends of the first rotating roller are respectively arranged on the two mounting blocks;
the electromagnetic absorber is used for being installed on the side face of the power transmission line tower and is arranged corresponding to the installation block; the electromagnetic absorber is used for absorbing the installation block on the power line tower; starting or closing the electromagnetic absorber for fixing or disassembling the mounting block;
the supporting block is arranged at the lower end of the sliding rail; the supporting block is provided with a spring, and the upper end of the spring is fixedly connected with the lower end of the mounting block.
In one possible implementation manner, four construction safety protection devices for power grid infrastructure are provided, and are respectively used for being installed on each side surface of a power transmission line tower; and a transportation distance for transporting parts is arranged between two adjacent construction safety protection devices for power grid infrastructure.
The construction safety protection device for power grid infrastructure provided by the invention has the beneficial effects that: compared with the prior art, the construction safety protection device for power grid infrastructure is characterized in that a first rotating roller is rotatably connected to the outer side surface of a power transmission line tower, an extension rod is rotatably connected to the power transmission line tower, the extension rod is located below the first rotating roller, a second rotating roller is arranged at the outer end of the extension rod, the first rotating roller and the second rotating roller are arranged in parallel, then the upper end of an elastic pad is connected with the first rotating roller, and the lower end of the elastic pad is connected with a winch after bypassing the second rotating roller. Initially, the extension rod is arranged along the support rod of the power line tower, and can fall on the elastic pad when the worker accidentally falls, so that the worker is prevented from being greatly injured; or when the falling risk is about to occur, namely the elastic cushion is in the gold rescue time, the winch is started to quickly roll the elastic cushion, the extension rod is enabled to rotate upwards in the retraction process of the elastic cushion, the second rotating roller is enabled to move upwards along with the extension rod, the distance between the elastic cushion and the ground is increased, the buffering distance is increased, and the elastic cushion and workers can effectively absorb the impact force under the rotating action of the extension rod and the second rotating roller by virtue of the extension rod which is rotatably connected; through this kind of mode, can improve the height of cushion with the help of the hoist engine rolling to the extension rod and the second live-rollers of rotating the connection can absorb the impact force through the luffing motion of certain limit when the cushion receives the impact, improve the security performance.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic view showing a first usage state of a construction safety protection device for power grid infrastructure according to an embodiment of the present invention;
fig. 2 is a schematic view of a second usage state of the construction safety protection device for power grid infrastructure according to the embodiment of the present invention;
FIG. 3 is a front view of an extension pole provided in accordance with an embodiment of the present invention;
FIG. 4 is a top view of an extension pole provided in accordance with an embodiment of the present invention;
FIG. 5 is a first schematic view illustrating the connection between the elastic pad and the second rotating roller according to the embodiment of the present invention;
FIG. 6 is a second schematic view illustrating the connection between the elastic pad and the second rotating roller according to the embodiment of the present invention;
fig. 7 is a first schematic view of an internal structure of the safety box according to the embodiment of the present invention;
fig. 8 is a second schematic internal structural diagram of the safety box according to the embodiment of the present invention;
fig. 9 is a schematic view of the connection between the supporting box and the hoisting machine according to the embodiment of the invention;
fig. 10 is a schematic connection diagram of a slide rail, a mounting block, and a power line tower according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1. a first rotating roller;
2. an extension pole; 21. a first connecting rod; 211. mounting grooves; 22. an elastic member; 23. a second connecting rod; 24. a clamping block; 25. a bolt;
3. a second rotating roller; 31. an annular avoidance groove;
4. an elastic pad; 41. a handle; 42. a slideway; 421. elastic raised strips;
5. a winch; 51. mounting a shell; 52. an L-shaped stop block;
6. a safety box body; 61. a first opening; 62. an air cushion column group; 63. an air cushion column; 64. an inflation tube; 65. a deflation valve; 66. an elastic ball; 67. supporting;
7. supporting the box body; 71. an elevator; 72. a support plate; 73. a traveling wheel;
8. a slide rail; 81. mounting blocks; 82. an electromagnetic adsorber; 83. a support block; 84. a spring;
9. a power line tower.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the 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 is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 10, a construction safety protection device for power grid infrastructure according to the present invention will now be described. A construction safety protection device for power grid infrastructure comprises a first rotating roller 1, an extension rod 2, a second rotating roller 3, an elastic cushion 4 and a winch 5, wherein the first rotating roller 1 is horizontally arranged on the upper part of the side surface of a power transmission line tower 9, and the central axis of the first rotating roller is parallel to the side surface of the power transmission line tower 9; the number of the extension rods 2 is two, one end of each extension rod is respectively and rotatably connected to the lower part of the side face of the power line tower 9, and the other end of each extension rod extends outwards; the second rotating roller 3 is arranged between the two extension rods 2, and two ends of the second rotating roller are respectively connected to the other ends of the two extension rods 2; the second rotating roller 3 is arranged in parallel with the first rotating roller 1; the upper end of the elastic pad 4 is connected with the first rotating roller 1, and the lower end of the elastic pad bypasses the second rotating roller 3 and extends towards one side far away from the power line tower 9; the winch 5 is arranged on one side of the power line tower 9 and is fixedly connected with the lower end of the elastic pad 4; the winch 5 is started to pull up or put down the elastic cushion 4, and the extension rod 2 and the second rotating roller 3 rotate outwards under the action of the elastic cushion 4, so that the height of the elastic cushion 4 is increased.
Compared with the prior art, the construction safety protection device for power grid infrastructure is characterized in that a first rotating roller 1 is rotatably connected to the outer side surface of a power transmission line tower 9, an extension rod 2 which is rotatably connected to the power transmission line tower 9 is installed on the power transmission line tower 9, the extension rod 2 is located below the first rotating roller 1, a second rotating roller 3 is installed at the outer end of the extension rod 2, the first rotating roller 1 and the second rotating roller 3 are arranged in parallel, then the upper end of an elastic pad 4 is connected with the first rotating roller 1, and the lower end of the elastic pad is connected with a winch 5 after bypassing the second rotating roller 3. Initially, the extension rod 2 is arranged along the support rod of the power transmission line tower 9, and when the worker falls accidentally, the extension rod can fall on the elastic pad 4, so that the worker is prevented from being greatly injured; or when the falling risk is about to occur, namely the device is in the gold rescue time, the winch 5 is started to quickly wind the elastic cushion 4, the extension rod 2 is enabled to rotate upwards in the retraction process of the elastic cushion 4, meanwhile, the second rotating roller 3 is enabled to move upwards, the distance between the elastic cushion 4 and the ground is increased, the buffering distance is increased, and the elastic cushion 4 and workers can effectively absorb the impact force under the rotating action of the extension rod 2 and the second rotating roller 3 by virtue of the rotatably connected extension rod 2; through this kind of mode, can improve the height of cushion 4 with the help of the rolling of hoist engine 5 to extension rod 2 and the second live-rollers 3 of rotating the connection can absorb the impact force through the luffing motion of certain limit when cushion 4 receives the impact, improve the security performance.
Two ends of the extension rod 2 are respectively provided with a clamping block 24, the clamping block 24 is provided with a bayonet connected with the power line tower 9, and then the clamping block 24 is fixed on the power line tower 9 by using a bolt 25 and is locked by using a nut.
Referring to fig. 1 to 4, as an embodiment of the construction safety device for power grid infrastructure according to the present invention, the extension rod 2 includes a first connection rod 21, an elastic member 22, a second connection rod 23, and a reset member, one end of the first connection rod 21 rotates on the power tower 9, and the other end extends outward; the other end of the first connecting rod 21 is provided with a mounting groove 211; the elastic piece 22 is arranged in the mounting groove 211, and the lower end of the elastic piece is connected with the mounting groove 211; the length direction of the elastic member 22 is the same as the length direction of the first connecting rod 21; one end of the second connecting rod 23 is slidably connected in the mounting groove 211 and is fixedly connected with the upper end of the elastic element 22; both ends of the second rotating roller 3 are connected to two second connecting rods 23; the resetting device is used for being installed on the power line tower 9 and is connected with the first connecting rod 21; the resetting means is used to drive the first connecting rod 21 and the second connecting rod 23 towards the power pylon 9 and to reset.
The first connecting rod 21 and the second connecting rod 23 are spliced into an extension rod 2, the second connecting rod 23 is slidably inserted into the mounting groove 211 of the first connecting rod 21, and one end of the second connecting rod 23 extending into the mounting groove 211 is fixedly connected with the elastic member 22 in the mounting groove 211, in the course of changing the height of the elastic pad 4 by starting the hoist 5, the elastic pad 4 acts on the second rotating roller 3, and overcomes the acting force of the reset device to lift the first connecting rod 21 and the second connecting rod 23 upwards, and in the process of lifting the first connecting rod 21 and the second connecting rod 23, the force of the elastic pad 4 against the second rotating roller 3 is reduced, and thus the second connecting rod 23 is driven to move outward by the elastic member 22, and further the length of the extension rod 2 is increased, so that the elastic pad 4 tends to be horizontally arranged, and the length of the whole elastic pad 4 and the effective working length of the elastic pad 4 are also increased. After the rescue of the worker, under the action of the reset device, the first connecting rod 21 and the second connecting rod 23 rotate towards the power transmission tower 9 and reset, and simultaneously, under the action of the elastic pad 4, the second connecting rod 23 extends into the mounting groove 211 of the first connecting rod.
Referring to fig. 4 to 6, as a specific embodiment of the construction safety device for power grid infrastructure according to the present invention, the second rotating roller 3 is provided with a plurality of annular avoiding grooves 31 arranged at intervals, the elastic pad 4 is provided with a plurality of groups of handles 41 corresponding to the annular avoiding grooves 31, and the handles 41 are elastic members; the plurality of sets of handles 41 are arranged along the length of the elastic pad 4.
Each group of handles 41 on the elastic pad 4 corresponds to each annular avoidance groove 31 on the second rotating roller 3, so when the second rotating roller 3 rotates under the friction of the elastic pad 4, the handles 41 pass through each annular avoidance groove 31 and cannot collide with the second rotating roller 3, and after workers accidentally fall on the elastic pad 4, the workers can hold the handles 41 by hands, so that the body position is accurately controlled, the continuous movement of a larger position is prevented, and the safety is better.
Referring to fig. 6, as a specific embodiment of the construction safety device for power grid infrastructure according to the present invention, the elastic pad 4 is further provided with a plurality of sliding ways 42, and each sliding way 42 is located between two adjacent groups of handles 41; the slideway 42 comprises two elastic protruding strips 421 arranged at intervals, the elastic protruding strips 421 penetrate through the corresponding annular avoidance grooves 31, and the length direction of the elastic protruding strips 421 is the same as that of the elastic pad 4.
Set up a plurality of slides 42 on cushion 4, when the staff accident takes place to fall, in the staff can control oneself trunk entering slide 42 as far as possible, under the effect of two protruding strips 421 of elasticity of slide 42, can protect effectively that the staff is located inside slide 42, prevent that the staff from being bounced to unknown position on cushion 4. The slide way 42 is disposed between two adjacent sets of handles 41, and two elastic protruding strips 421 of the slide way 42 are disposed in two adjacent annular avoiding grooves 31.
Referring to fig. 1 and 2, fig. 7 and fig. 8, as a specific embodiment of the construction safety device for power grid infrastructure according to the present invention, the construction safety device for power grid infrastructure further includes a safety box 6, an air cushion column set 62, an elastic ball 66, an air inflation pipe 64 and an air deflation valve 65, wherein the safety box 6 is disposed between the winch 5 and the power transmission line tower 9; the upper end of the safety box body 6 is provided with a first opening 61; the number of the air cushion column groups 62 is multiple, and the air cushion column groups are arranged in the safety box body 6; the plurality of air-cushion column groups 62 are arranged in parallel from the winch 5 toward the power line tower 9; a plurality of elastic balls 66 are fixedly arranged at the upper ends of the air cushion columns 63 of the air cushion column groups 62 respectively; a plurality of inflation tubes 64 are respectively connected with each air cushion column group 62 and used for inflating each air cushion column group 62 with air; a plurality of air release valves 65 are respectively connected to each air cushion column group 62 and used for releasing air in each air cushion column group 62; the winch 5 is started to pull up or put down the elastic cushion 4 to change the height of the elastic cushion 4, the inflation pipe 64 and the deflation valve 65 are opened to enable the heights of the air cushion column groups 62 to be consistent or the heights of the air cushion column groups 62 to be gradually reduced linearly from the winch 5 to the power transmission tower 9, and the height of the elastic ball 66 on each air cushion column group 62 is matched with the height of the elastic cushion 4 above.
After elastic cushion 4 is connected on hoist 5 from first live-rollers 1, second live-rollers 3, install safety box 6 between power tower 9 and hoist 5 to a plurality of air cushion post groups 62 of installation in safety box 6, each air cushion post group 62 sets up side by side, and every air cushion post group 62 includes a plurality of air cushion posts 63 that set up side by side, and consequently a plurality of air cushion posts 63 of a plurality of air cushion post groups 62 are the setting of rectangle array. A bearing 67 is fixedly arranged at the upper end of each air cushion column 63, an elastic ball 66 is fixedly arranged on the bearing 67, air is filled into the air cushion columns 63 through the air filling pipes 64, the height of the air cushion columns 63 is increased, the height of the air cushion columns 63 is reduced through the air release valves 65, and the purpose of adjusting the height of the air cushion columns 63 is achieved. When the height of the elastic pad 4 is changed by the winding machine 5, the elastic pad 4 between the winding machine 5 and the second rotating roller 3 plays a role of mainly receiving falling workers. Therefore, the height of each air cushion column group 62 can be gradually changed along with the height of the elastic cushion 4 according to the inclination of the elastic cushion 4, and the height is matched with the height of the elastic cushion 4. When the staff falls on the elastic cushion 4, the elastic cushion 4 deforms downwards to contact with the elastic balls 66 on the installation box body, so that the purpose of further protecting the staff is achieved. For example, when the cushion 4 is in a horizontal state, the height of each air cushion column set 62 is made uniform by the charging pipe and the discharging valve 65, and when the cushion 4 is in an inclined state, the height of each air cushion column set 62 is sequentially reduced and arranged linearly.
Referring to fig. 1, 2 and 9, as a specific embodiment of the construction safety device for power grid infrastructure according to the present invention, the construction safety device for power grid infrastructure further includes a supporting box 7 and a lifter 71; the supporting box body 7 is arranged on one side of the power transmission line tower 9; the upper end of the supporting box body 7 is provided with a second opening; the lifter 71 is fixedly arranged in the supporting box body 7; a support plate 72 is arranged at the upper end of the lifter 71, and the winch 5 is arranged on the support plate 72; when the hoist 5 is started to pull up the elastic pad 4, the lifter 71 is started to raise the height of the hoist 5 and the height of the elastic pad 4.
The supporting box body 7 is installed on the ground at one side of the power transmission tower 9, a second opening is opened at the upper end of the supporting box body 7, the elevator 71 is installed inside the supporting box body 7, the supporting plate 72 penetrates through the second opening from top to bottom and is installed at the upper end of the elevator 71, and finally the winch 5 is installed on the supporting plate 72. Before the worker falls, if the worker operates for a certain time, the worker on the ground can immediately open the elevator 71 to drive the support plate 72 and the winch 5 to move upwards, and the winch 5 releases the elastic pad 4 wound on the winch 5 by a section in the lifting process, so that the length of the elastic pad 4 is ensured to be enough to match the sum of the distance between the winch 5 and the second rotating roller 3 and the distance between the second rotating roller 3 and the first rotating roller 1.
Referring to fig. 1, 2 and 9, as a specific embodiment of the construction safety device for power grid infrastructure according to the present invention, a winding machine 5 is provided with a mounting shell 51, the mounting shell 51 is provided with an L-shaped stopper 52, one end of the L-shaped stopper 52 is rotatably connected to the mounting shell 51, and the other end of the L-shaped stopper 52 extends toward the elastic pad 4 and contacts the elastic pad 4.
The L-shaped stopper 52 comprises two vertically crossed plates, the L-shaped stopper 52 is buckled, the end of one plate of the L-shaped stopper 52 is rotatably connected with the mounting shell 51 on the winch 5, the end of the other plate abuts against the elastic pad 4 to form the L-shaped stopper 52 with a protruding part, and the L-shaped stopper 52 can play a role in shielding the winch 5. After falling onto the elastic pad 4, the worker will generally bounce and fall many times, so the L-shaped stopper 52 is used to shield the winch 5, and the worker is prevented from being injured due to contact with the winch 5. A roller is arranged at the end part of the L-shaped block 52 contacted with the elastic pad 4, and the roller is directly contacted with the elastic pad 4, so that the sliding friction between the end part of the L-shaped block 52 and the elastic piece 22 is converted into rolling friction, the friction force is reduced, and the elastic pad 4 is prevented from being scratched.
Referring to fig. 1, 2 and 9, as an embodiment of the construction safety device for power grid infrastructure according to the present invention, the supporting box 7 is provided with a traveling wheel 73 and a driving mechanism for driving the traveling wheel 73 to move along a direction away from the power tower 9.
The supporting box body 7 and the winch 5 can be rapidly driven to move towards one side far away from the power line tower 9 by the driving mechanism and the travelling wheels 73, when workers fall, in order to increase the safe falling distance, the length of the elastic pad 4 needs to be prolonged, and therefore the supporting box body 7 can be moved under the action of the travelling wheels 73 when the driving mechanism is started. In the process of transverse movement of the supporting box body 7 and the winch 5, the elastic pad 4 wound on the winch 5 is loosened by a section, and the length of the elastic pad 4 is ensured to be enough to match the sum of the distance between the winch 5 and the second rotating roller 3 and the distance between the second rotating roller 3 and the first rotating roller 1.
Referring to fig. 1, fig. 2 and fig. 10, as a specific embodiment of the construction safety device for power grid infrastructure according to the present invention, the construction safety device for power grid infrastructure further includes two slide rails 8, two mounting blocks 81, two electromagnetic absorbers 82 and two support blocks 83, where the two slide rails 8 are used for being mounted on a side surface of a power transmission tower 9; the two slide rails 8 are vertically arranged along the support rod of the power transmission line tower 9, and the lower ends of the slide rails 8 are positioned above the extension rod 2; the number of the mounting blocks 81 is two, and the mounting blocks are respectively mounted on the slide rail 8 in a sliding manner; both ends of the first rotating roller 1 are respectively installed on the two installation blocks 81; the electromagnetic absorber 82 is used for being installed on the side surface of the power transmission line tower 9 and is arranged corresponding to the installation block 81; the electromagnetic absorber 82 is used for absorbing the mounting block 81 on the power line tower 9; starting or closing the electromagnetic absorber 82 for fixing or detaching the mounting block 81; the supporting block 83 is mounted at the lower end of the slide rail 8; the supporting block 83 is provided with a spring 84, the upper end of the spring 84 is fixedly connected with the lower end of the mounting block 81, the two supporting rods on one side of the power transmission tower 9 are respectively provided with a sliding rail 8, the mounting block 81 is slidably mounted at the upper end of the sliding rail 8 and then fixed at the upper end of the sliding rail 8 through an electromagnetic absorber 82 by electromagnetic attraction, the supporting block 83 is fixedly mounted at the lower end of the sliding rail 8, the spring 84 is mounted between the mounting block 81 and the supporting block 83, and the upper end and the lower end of the spring 84 are respectively fixed on the mounting block 81 and the supporting block 83.
After the worker accidentally falls on the elastic pad 4, the electromagnetic absorber 82 is closed to enable the mounting block 81 to overcome the spring 84 and slide downwards along the slide rail 8, so that the first rotating roller 1 and the elastic pad 4 move downwards, impact force applied to the worker when the worker is in contact with the elastic pad 4 is reduced, and the worker is effectively protected. After the worker disengages from the elastic pad 4, the worker moves the mounting block 81 upward to return under the restoring force of the spring 84, and then restarts the electromagnetic absorber 82 to fix the mounting block 81 on the slide rail 8. A support block 83 is provided at the lower end of the slider and the mounting block 81 may be retained by the support block 83 in the event of failure of the spring 84. The outer side surface of the first rotating roller 1 is provided with a pressure sensor, the pressure sensor is connected with an electromagnetic adsorption control unit, the upper end of the elastic cushion is sleeved on the first rotating roller 1, when the elastic cushion 4 is impacted by workers, the pressure sensor on the first rotating roller is subjected to large ground pressure, the pressure sensor sends a signal to the electromagnetic adsorber 82, and then the electromagnetic adsorber 82 is closed.
Referring to fig. 1 and 2, as a specific embodiment of the construction safety device for power grid infrastructure according to the present invention, four construction safety devices for power grid infrastructure are provided, and are respectively installed on each side of the power tower 9; and a transportation distance for transporting parts is arranged between two adjacent construction safety protection devices for power grid infrastructure.
The four construction safety protection devices for power grid infrastructure are arranged around the power transmission line tower 9 in an installing mode, the four side faces of the power transmission line tower 9 are provided with the construction safety protection devices for power grid infrastructure, and therefore when workers operate on any one side face of the power transmission line tower 9, the construction safety protection devices for power grid infrastructure can be effectively protected. That is, the first rotating roller 1, the extension pole 2, the elastic pad 4, the winding machine 5, and the like are provided on all four sides. There is the transportation distance between two arbitrary adjacent construction safety device that are used for electric wire netting infrastructure, and then makes the required spare part of staff can transport to transmission line tower 9 on.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A construction safety protection device for power grid infrastructure is characterized by comprising a first rotating roller, an extension rod, a second rotating roller, an elastic pad and a winch, wherein the first rotating roller is horizontally arranged at the upper part of the side surface of a power transmission line tower, and the central axis of the first rotating roller is parallel to the side surface of the power transmission line tower; the number of the extension rods is two, one end of each extension rod is respectively and rotatably connected to the lower part of the side face of the power line tower, and the other end of each extension rod extends outwards; the second rotating roller is arranged between the two extension rods, and two ends of the second rotating roller are respectively connected to the other ends of the two extension rods; the second rotating roller is arranged in parallel with the first rotating roller; the upper end of the elastic pad is connected with the first rotating roller, and the lower end of the elastic pad bypasses the second rotating roller and extends towards one side far away from the power transmission line tower; the winch is arranged on one side of the power line tower and is fixedly connected with the lower end of the elastic pad; the winch is started to pull up or put down the elastic cushion, and the extension rod and the second rotating roller rotate outwards under the action of the elastic cushion, so that the height of the elastic cushion is increased.
2. A construction safety device for grid infrastructure according to claim 1, wherein the extension pole comprises:
one end of the first connecting rod rotates on the power transmission line tower, and the other end of the first connecting rod extends outwards; the other end of the first connecting rod is provided with an installation groove;
the elastic piece is arranged in the mounting groove, and the lower end of the elastic piece is connected with the mounting groove; the length direction of the elastic piece is the same as that of the first connecting rod;
one end of the second connecting rod is connected in the mounting groove in a sliding manner and is fixedly connected with the upper end of the elastic piece; two ends of the second rotating roller are connected to the two second connecting rods;
the resetting device is used for being installed on the power line tower and connected with the first connecting rod; the reset device is used for driving the first connecting rod and the second connecting rod to move towards the power line tower and reset.
3. The construction safety device for power grid infrastructure as claimed in claim 2, wherein the second rotating roller is provided with a plurality of annular avoidance grooves arranged at intervals, the elastic pad is provided with a plurality of groups of handles corresponding to the annular avoidance grooves, and the handles are made of elastic materials; the plurality of groups of handles are arranged along the length direction of the elastic pad.
4. A construction safety device for power grid infrastructure according to claim 3, wherein a plurality of slides are further provided on the resilient pad, each slide being located between two adjacent sets of the handles; the slide includes the protruding strip of elasticity that two intervals set up, the protruding strip of elasticity passes and corresponds the inslot is dodged to the annular, the length direction of the protruding strip of elasticity with the length direction of cushion is the same.
5. The construction safety device for power grid infrastructure of claim 1, further comprising:
the safety box body is arranged between the winch and the power line tower; the upper end of the safety box body is provided with a first opening;
the number of the air cushion column groups is multiple, and the safety box body is internally provided with a safety box body; the air cushion column groups are arranged in parallel from the winch to the power line tower;
a plurality of elastic balls are fixedly arranged at the upper ends of the air cushion columns of each air cushion column group respectively;
the air inflation tubes are connected with the air cushion column groups respectively and used for inflating air into the air cushion column groups;
the air release valves are connected with the air cushion column groups respectively and used for releasing air in the air cushion column groups;
the winch is started to pull up or put down the elastic cushion to change the height of the elastic cushion, the inflation pipe and the deflation valve are opened, so that the heights of the air cushion column groups are consistent or the heights of the air cushion column groups are linearly and gradually reduced from the winch to the power transmission line tower, and the heights of the elastic balls on the air cushion column groups are matched with the heights of the elastic cushion above the air cushion column groups.
6. The construction safety device for power grid infrastructure of claim 1, further comprising:
the supporting box body is arranged on one side of the power transmission line tower; the upper end of the supporting box body is provided with a second opening;
the lifter is fixedly arranged in the supporting box body; a supporting plate is arranged at the upper end of the lifter, and the winch is arranged on the supporting plate;
when the winch is started to pull up the elastic cushion, the lifter is started to lift the height of the winch, and the height of the elastic cushion is lifted.
7. The construction safety device for power grid infrastructure as claimed in claim 6, wherein the hoist is provided with a mounting shell, the mounting shell is provided with an L-shaped block, one end of the L-shaped block is rotatably connected with the mounting shell, and the other end of the L-shaped block extends towards the elastic pad and contacts with the elastic pad.
8. A construction safety device for grid infrastructure according to claim 6, wherein the support box is provided with road wheels and a drive mechanism for driving the road wheels to move away from the power tower.
9. The construction safety device for power grid infrastructure of claim 1, further comprising:
the number of the slide rails is two, and the slide rails are used for being installed on the side face of the power transmission line tower; the two slide rails are vertically arranged along the support rod of the power transmission line tower, and the lower ends of the slide rails are positioned above the extension rod;
the number of the mounting blocks is two, and the mounting blocks are respectively mounted on the slide rail in a sliding manner; two ends of the first rotating roller are respectively arranged on the two mounting blocks;
the electromagnetic absorber is used for being installed on the side face of the power transmission line tower and is arranged corresponding to the installation block; the electromagnetic absorber is used for absorbing the installation block on the power line tower; starting or closing the electromagnetic absorber for fixing or disassembling the mounting block;
the supporting block is arranged at the lower end of the sliding rail; the supporting block is provided with a spring, and the upper end of the spring is fixedly connected with the lower end of the mounting block.
10. A construction safety device for power grid infrastructure according to any one of claims 1 to 9, wherein there are four construction safety devices for power grid infrastructure, one for each side of a power transmission line tower; and a transportation distance for transporting parts is arranged between two adjacent construction safety protection devices for power grid infrastructure.
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| CN202111089370.3A CN113863698B (en) | 2021-09-16 | 2021-09-16 | A construction safety device for electric wire netting infrastructure |
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| CN202111089370.3A CN113863698B (en) | 2021-09-16 | 2021-09-16 | A construction safety device for electric wire netting infrastructure |
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| CN113863698B CN113863698B (en) | 2023-04-07 |
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| US5167299A (en) * | 1991-11-08 | 1992-12-01 | Arthur Nusbaum | Safety net arrangement for building elevator shafts |
| CA2194850A1 (en) * | 1997-01-10 | 1998-07-10 | Roland Scheetz | Rolling stock safety apparatus |
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| Publication number | Publication date |
|---|---|
| CN113863698B (en) | 2023-04-07 |
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