Novel insulating ladder is fixed device
阅读说明：本技术 一种新型绝缘梯固定装置 (Novel insulating ladder is fixed device ) 是由 祝媛 林宇洲 余天保 李焜 于 2021-08-13 设计创作，主要内容包括：本发明公开了一种新型绝缘梯固定装置,包括底板以及位于底板上的固定装置以及支撑台；所述固定装置与所述支撑台分别位于所述底板的顶面两侧,且分别与底板固定连接；所述固定装置靠向所述支撑台的一面设有用于固定绝缘梯的第一斜面,所述第一斜面与所述底板呈60度倾斜设置；所述支撑台靠向所述固定装置的一侧设有第二斜面,所述第二斜面与所述底板呈30度倾斜设置；所述第一斜面与所述第二斜面的底部间设有预设间距；本发明设置了60°90°30°的组合结构,使绝缘梯架设在在第一斜面上时与水平面呈60°夹角的最佳角度,通过与水平面呈30°角的支撑台斜面,对绝缘梯呈90度支撑,能够有效对绝缘梯进行固定,避免梯子向后滑倒和失稳侧翻,保障安全作业。(The invention discloses a novel insulating ladder fixing device, which comprises a bottom plate, a fixing device and a supporting table, wherein the fixing device and the supporting table are positioned on the bottom plate; the fixing device and the supporting platform are respectively positioned on two sides of the top surface of the bottom plate and are respectively fixedly connected with the bottom plate; a first inclined plane for fixing the insulating ladder is arranged on one surface, close to the support table, of the fixing device, and the first inclined plane and the bottom plate are obliquely arranged at an angle of 60 degrees; a second inclined plane is arranged on one side, close to the fixing device, of the support table, and the second inclined plane and the bottom plate are inclined at an angle of 30 degrees; a preset distance is arranged between the bottoms of the first inclined plane and the second inclined plane; the combined structure with the angle of 60 degrees, 90 degrees and 30 degrees is arranged, so that the insulating ladder forms the optimal angle with the horizontal plane when erected on the first inclined plane, the insulating ladder is supported by 90 degrees through the inclined plane of the support table forming the angle of 30 degrees with the horizontal plane, the insulating ladder can be effectively fixed, the ladder is prevented from slipping backwards and turning over unstably, and the safe operation is guaranteed.)
1. A novel insulating ladder fixing device is characterized by comprising a bottom plate, a fixing device and a supporting table, wherein the fixing device and the supporting table are positioned on the bottom plate;
the fixing device and the supporting platform are respectively positioned on two sides of the top surface of the bottom plate and are respectively fixedly connected with the bottom plate;
a first inclined plane for fixing the insulating ladder is arranged on one surface, close to the support table, of the fixing device, and the first inclined plane and the bottom plate are obliquely arranged at an angle of 60 degrees;
a second inclined plane is arranged on one side, close to the fixing device, of the support table, and the second inclined plane and the bottom plate are inclined at an angle of 30 degrees;
a preset space is arranged between the bottoms of the first inclined plane and the second inclined plane.
2. The novel insulating ladder fixing device as claimed in claim 1, wherein the fixing device comprises a first fixing frame and a second fixing frame;
the first fixing frame is positioned on one side of the top surface of the bottom plate and is vertically connected with the bottom plate;
the second fixing frame is located between the first fixing frame and the supporting table, the top of the second fixing frame is connected with the top of the first fixing frame, the bottom of the second fixing frame is connected with the bottom plate and arranged at an included angle of 60 degrees with the bottom plate to form the first inclined plane.
3. The novel insulating ladder fixing device as claimed in claim 2, wherein the fixing device further comprises two first connecting rods;
the two first connecting rods are positioned at the waist parts at two sides of the first fixing frame and the second fixing frame, and two ends of each first connecting rod are respectively connected with the first fixing frame and the second fixing frame to form a triangular structure.
4. The novel insulating ladder fixing device as claimed in claim 2, wherein the second fixing frame comprises a main body and a fixing device;
the main body comprises two parallel fixing rods and a second connecting rod, and two ends of the second connecting rod are respectively and vertically connected with the waist parts of the fixing rods;
the fixing device is connected with the second connecting rod and used for fixing the insulating ladder.
5. The novel insulation ladder fixing device as claimed in claim 4, wherein the fixing device comprises a sliding part, a fixing strip and a binding band;
the second connecting rod is provided with a sliding rail, and the two sliding parts are both connected with the sliding rail in a sliding manner;
one end of each of the two fixing strips is connected with one sliding piece and can move along the second connecting rod through the sliding piece, and the other end of each of the two fixing strips abuts against the bottom plate;
the two binding bands are respectively connected with one fixing strip.
6. The novel insulating ladder fixing device as claimed in claim 1, wherein a plane is formed on the top of the support platform, and the plane is provided with anti-skid lines.
7. The novel insulating ladder fixing device as claimed in claim 1, wherein rubber anti-slip strips are laid on the bottom of the bottom plate.
8. The novel insulation ladder fixing device as claimed in claim 1, further comprising a handle, wherein the handle is located at a waist portion of the fixing device, which is far away from the support platform.
9. The novel insulating ladder fixing device as claimed in claim 7, further comprising a pulley;
the two pulleys are connected with the bottom of one side, far away from the supporting table, of the fixing device.
10. The novel insulation ladder fixing device as claimed in claim 8, wherein the handle is in an inverted U shape, and two bottom ends of the handle are fixed to a waist portion of the fixing device at a side away from the support platform through four standard screws by two metal sheets.
Technical Field
The invention relates to the technical field of power field application, in particular to a novel insulating ladder fixing device.
Background
The insulation ladder is a common tool for power transformation maintenance and operation, is mostly made of high-resistivity insulation materials, and is made of glass fiber reinforced plastics. The problem of insulating ladder slip and turn on one's side, fixed difficulty often appears in electric power overhaul fortune dimension job site, even someone supports also to be difficult to avoid the ladder to slip, causes personnel to fall and falls to hinder, has great eminence potential safety hazard and risk of falling.
The ground of a transformer overhaul and capital construction technical improvement construction site is uneven, part of the transformer stations are stone grounds, and the insulation ladder is inclined to lean and is difficult to keep firm and stable. The field worker can only lean on and fix the ladder mostly by virtue of experience, and the ladder slips easily to cause personnel to fall and injure, has the aerial work risk of falling.
The current solution adopted in the operation field is that the ladder is prevented from slipping down by a personnel escalator way, and the falling from a high place is prevented, and the method has the following defects:
firstly, manpower is wasted, the same work task is realized, and one person needs to be additionally arranged on the escalator;
secondly, the field operation personnel may miss the escalator or miss the escalator due to weak safety consciousness, and potential safety hazards exist;
thirdly, the force of personnel is limited, the ladder cannot be kept firm and stable, and the personnel on the ladder can be injured when the accident of falling down the ladder occurs;
fourthly, the inclination angle of the ladder is not fixed, and the insulating ladder is easy to slip;
fifthly, when the ground is uneven in the operation environment or the ground is crushed in the equipment area, the insulating ladder is difficult to prevent skidding and fix and is easy to turn on one side.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a novel insulating ladder is fixed device can carry out more firm fixed to insulating ladder.
In order to solve the technical problems, the invention adopts the technical scheme that:
a novel insulating ladder fixing device comprises a bottom plate, a fixing device and a supporting table, wherein the fixing device and the supporting table are positioned on the bottom plate;
the fixing device and the supporting platform are respectively positioned on two sides of the top surface of the bottom plate and are respectively fixedly connected with the bottom plate;
a first inclined plane for fixing the insulating ladder is arranged on one side, close to the support table, of the fixing device, and the first inclined plane and the bottom plate are obliquely arranged at an angle of 60 degrees;
a second inclined plane is arranged on one side, close to the fixing device, of the support table, and the second inclined plane and the bottom plate are inclined at an angle of 30 degrees;
a preset space is arranged between the bottoms of the first inclined plane and the second inclined plane.
The invention has the beneficial effects that: the insulating ladder is provided with the combined structure of 60 degrees, 90 degrees and 30 degrees, so that the insulating ladder forms an optimal angle of 60 degrees with the horizontal plane when erected on the first inclined plane, and forms an angle of 90 degrees with the inclined plane of the supporting platform through the inclined plane of the supporting platform forming an angle of 30 degrees with the horizontal plane, the insulating ladder can be better supported to prevent the insulating ladder from sliding backwards, and the contact of two points of the insulating ladder and the ground is changed into large-area surface contact through the bottom plate; can effectively fix insulating ladder, avoid the ladder to slip backward and unstability turn on one's side, effectively ensure safe operation, eliminate the aerial fall casualties risk that the ground condition that the operation environment is complicated leads to.
Drawings
Fig. 1 is an overall structural view of a novel insulating ladder fixing device according to an embodiment of the present invention;
fig. 2 is a second fixing frame structure diagram of the novel insulating ladder fixing device according to the embodiment of the invention;
fig. 3 is a first fixing frame structure diagram of a novel insulating ladder fixing device according to an embodiment of the invention;
fig. 4 is a schematic use view of a novel insulating ladder fixing device according to an embodiment of the present invention;
fig. 5 is an angle principle force analysis diagram of the novel insulating ladder fixing device according to the embodiment of the invention;
description of reference numerals:
1. a base plate; 2. a support table; 3. a first inclined plane; 4. a first fixing frame; 5. a second fixing frame; 6. a first connecting rod; 7. fixing the rod; 8. a second connecting rod; 9. a slider; 10. a fixing strip; 11. a cross bar; 12. a handle; 13. a second inclined plane; 14. a plane; 15. a pulley; 16. and (4) an anti-slip strip.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 4, a novel insulating ladder fixing device includes a bottom plate, a fixing device and a supporting platform, wherein the fixing device and the supporting platform are located on the bottom plate;
the fixing device and the supporting platform are respectively positioned on two sides of the top surface of the bottom plate and are respectively fixedly connected with the bottom plate;
a first inclined plane for fixing the insulating ladder is arranged on one surface, close to the support table, of the fixing device, and the first inclined plane and the bottom plate are obliquely arranged at an angle of 60 degrees;
a second inclined plane is arranged on one side, close to the fixing device, of the support table, and the second inclined plane and the bottom plate are inclined at an angle of 30 degrees;
a preset space is arranged between the bottoms of the first inclined plane and the second inclined plane.
From the above description, the beneficial effects of the present invention are: the insulating ladder is provided with a combined structure with 60 degrees, 90 degrees and 30 degrees, so that the insulating ladder forms an optimal angle of 60 degrees with the horizontal plane when erected on the first inclined plane, and forms an angle of 90 degrees with the inclined plane of the supporting platform through the inclined plane of the supporting platform forming an angle of 30 degrees with the horizontal plane, the insulating ladder can be better supported to prevent the insulating ladder from sliding backwards, and the two-point contact between the insulating ladder and the ground is changed into large-area surface contact through the bottom plate; can effectively fix insulating ladder, avoid the ladder to slip backward and unstability turn on one's side, effectively ensure safe operation, eliminate the aerial fall casualties risk that the ground condition that the operation environment is complicated leads to.
Further, the fixing device comprises a first fixing frame and a second fixing frame;
the first fixing frame is positioned on one side of the top surface of the bottom plate and is vertically connected with the bottom plate;
the second fixing frame is located between the first fixing frame and the supporting table, the top of the second fixing frame is connected with the top of the first fixing frame, the bottom of the second fixing frame is connected with the bottom plate and arranged at an included angle of 60 degrees with the bottom plate to form the first inclined plane.
According to the above description, the fixing device is formed by the first fixing frame and the second fixing frame, the top of the second fixing frame is connected with the first fixing frame, and a 60-degree included angle is formed between the second fixing frame and the bottom plate, so that the second fixing frame and the top of the first fixing frame form a second inclined plane for fixing the insulating ladder, and the ladder can be rapidly and accurately placed at a 60-degree angle.
Further, the fixing device also comprises two first connecting rods;
the two first connecting rods are positioned at the waist parts at two sides of the first fixing frame and the second fixing frame, and two ends of each first connecting rod are respectively connected with the first fixing frame and the second fixing frame to form a triangular structure.
According to the above description, the first connecting rods are arranged at the waist parts at the two sides of the first fixing frame and the second fixing frame, so that the first fixing frame and the second fixing frame are supported and fixed, and the first fixing frame and the second fixing frame form a triangular structure, so that the fixing structure is more stable.
Further, the second fixing frame comprises a main body and a fixing device;
the main body comprises two parallel fixing rods and a second connecting rod, and two ends of the second connecting rod are respectively and vertically connected with the waist parts of the fixing rods;
the fixing device is connected with the second connecting rod and used for fixing the insulating ladder.
According to the above description, the second fixing frame further comprises a fixing device for fixing the insulating ladder, so that the insulating ladder can be stably erected and fixed on the fixing device, and the safety is improved.
Further, the fixing device comprises a sliding piece, a fixing strip and a binding band;
the second connecting rod is provided with a sliding rail, and the two sliding parts are both connected with the sliding rail in a sliding manner;
one end of each of the two fixing strips is connected with one sliding piece and can move along the second connecting rod through the sliding piece, and the other end of each of the two fixing strips abuts against the bottom plate;
the two binding bands are respectively connected with one fixing strip.
According to the above description, the fixing device comprises the sliding part, the fixing strip and the binding band, the fixing device can slide on the second connecting rod through the sliding part, so that the fixing device can be adjusted according to the insulating ladder, the insulating ladder can be better fixed, ladder feet of the insulating ladder are bound with the fixing strip through the binding band, the fixing device can be more stable, and the possibility of backward sliding and side turning is further reduced.
Furthermore, a plane is arranged at the top of the supporting table, and anti-skid grains are arranged on the plane.
According to the above description, the plane is arranged on the top surface of the supporting table, the anti-skid grains are arranged on the plane, and workers can step on the plane to go up and down, so that the going up and down of the ladder are more convenient, and the possibility of slipping during the going up and down of the ladder is reduced.
Furthermore, the bottom of the bottom plate is paved with rubber anti-slip strips.
According to the above description, the bottom surface is additionally provided with the rubber anti-slip strips, the friction force between the bottom surface and the ground can be increased by the structure, the backward slip risk of the ladder is reduced, the stability of the ladder is improved, and the ladder is prevented from being turned on one side.
Further, the handle is arranged at the waist part, far away from the support table, of one side of the fixing device.
As can be seen from the above description, the handle is further arranged, so that the carrying operation is convenient.
Further, the device also comprises a pulley;
the two pulleys are connected with the bottom of one side, far away from the supporting table, of the fixing device.
According to the above description, the pulley is arranged on the side face of the bottom plate, the pulley is matched with the handle to drag, the carrying operation is more convenient, and meanwhile, the pulley is prevented from being arranged at the bottom to reduce the friction force of the bottom.
Furthermore, the handle is in an inverted U shape, and two bottom ends of the handle are fixed to the waist part, far away from the support table, of one side of the fixing device through four standard screws through two metal sheets.
As can be seen from the above description, the handle is fixed by four screws at two ends, so that the handle is more stable and the possibility of falling off of the handle in the dragging process is reduced.
Referring to fig. 1 to 5, a first embodiment of the present invention is:
a novel insulating ladder fixing device comprises a bottom plate 1, a fixing device and a supporting table 2, wherein the fixing device and the supporting table are positioned on the bottom plate 1;
as shown in fig. 1, the fixing device and the supporting platform 2 are respectively located at two sides of the top surface of the bottom plate 1 and are respectively fixedly connected with the bottom plate 1.
As shown in fig. 1, a first inclined plane 3 for fixing the insulating ladder is arranged on one surface of the fixing device, which is close to the support table 2, and the first inclined plane 3 and the bottom plate 1 are inclined at an angle of 60 degrees; the fixing device comprises a first fixing frame 4, a second fixing frame 5 and a first connecting rod 6. First mount 4 is located one side on the top surface of bottom plate 1, and is connected perpendicularly with bottom plate 1, second mount 5 is located between first mount 4 and the brace table 2, the top of second mount 5 is connected with the top of first mount 4, the bottom of second mount 5 is connected with bottom plate 1 and is 60 contained angles settings with bottom plate 1, form first inclined plane 3, two head rods 6 are located the both sides waist of first mount 4 and second mount 5, the both ends of every head rod 6 are connected with first mount 4 and second mount 5 respectively, form the triangular structure.
In this example, we performed stress analysis on the insulating ladder, as shown in fig. 5, where the weight of the ladder and the person is mg, the included angle between the ladder and the ground is α, and N isAAnd NBSupport of the ladder for the wall and the floor, respectively, FAAnd FBStatic friction of the wall and ground against the ladder, respectively. The ladder and the overall force of the person on the ladder are analyzed as follows:
at the point A:
mgcosα*sinα＝NA
mgcosα*cosα＝FA
FA＝NAfa Jing
fA JingThe coefficient of static friction at point A is the maximum coefficient of sliding friction f at point AA movesI.e. fA Jing<＝fA moves；
Is obtained by the above 3 formulas
At the point B:
mgsinα*sinα＝NB
mgsinα*cosα＝FB
FB＝NBfbjing
fBjingThe coefficient of static friction at point B is the maximum coefficient of sliding friction f at point BB motionI.e. fBjing<＝fB motion；
Is obtained by the above 3 formulas
A, B two points can be synthesized
The coefficient of dynamic friction of the concrete road surface is about 0.6 under normal conditions, so that the included angle between the ladder and the ground is obtained
It can be seen that when the angle of the ladder is greater than 59 degrees, namely the angle is stable, the ladder can be effectively prevented from slipping down, and when the included angle between the ladder and the ground is continuously increased, the ladder becomes steeper and steeper, so that the ladder is not beneficial to a worker to climb, and the risk of falling down is increased probably because the ladder is too steep. Therefore, in the embodiment, 60 ° is selected as the angle of the ladder rack, so that the ladder is prevented from slipping down and is prevented from being too steep.
The angle of the first inclined plane of insulating ladder is set to 60 degrees in this embodiment, when fixing insulating ladder, makes insulating ladder keep the best frame ladder angle for insulating ladder is more firm.
As shown in fig. 2, the second fixing frame 5 includes a main body and a fixing device. The main part includes two parallel dead levers 7 and a second connecting rod 8, and the both ends of second connecting rod 8 are connected with the waist of dead lever 7 is perpendicular respectively, and fixing device is connected with second connecting rod 8 for fix the insulating ladder.
As shown in fig. 2, the fixing means includes a slider 9, a fixing strip 10, and a strap. Be equipped with the slide rail on the second connecting rod 8, two sliders 9 all with slide rail sliding connection, the one end of two fixed strips 10 is connected with a slider 9 respectively to accessible slider 9 removes along second connecting rod 8, and the other end of two fixed strips 10 is contradicted bottom plate 1, and two bandages are connected with a fixed strip 10 respectively.
As shown in fig. 3, the waist of the first fixing frame is provided with a cross bar 11, and an inverted U-shaped handle 12 is fixed on the cross bar 11 through four standard screws by two metal sheets.
As shown in fig. 1, a second inclined plane 13 is arranged on one side of the support platform 2 close to the fixing device, and the second inclined plane 13 is inclined at 30 degrees with the bottom plate 1; the top of the support table 2 is provided with a plane 14, and the plane 14 is provided with anti-skid lines.
In this embodiment, as shown in fig. 4, the supporting platform 2 and the bottom plate 1 are inclined at an angle of 30 degrees, so that the first inclined plane 3 and the second inclined plane 13 form a right angle of 90 degrees, and the second inclined plane 13 effectively supports the insulating ladder erected on the first inclined plane 3 at an angle of 90 degrees, thereby preventing the insulating ladder from sliding backwards. Meanwhile, the second inclined plane 13 is provided with anti-skid lines, so that the insulating ladder is effectively prevented from sliding.
Wherein, be equipped with between the bottom of first inclined plane 3 and second inclined plane 13 and predetermine the interval, should predetermine the interval and be used for placing the bottom of insulating ladder.
As shown in fig. 1 and 3, two of the pulleys 15 are connected to the bottom of the fixing device on the side away from the support platform 2, and a rubber anti-skid strip 16 is laid on the bottom of the bottom plate 1.
In this embodiment, the two pulleys 15 are fixed by two metal parts with 4 standard screws.
In conclusion, the novel insulating ladder fixing device provided by the invention is provided with a 60-degree, 90-degree and 30-degree combined structure, so that the insulating ladder forms an optimal angle of a 60-degree included angle with the horizontal plane when erected on the first inclined plane, and forms a 90-degree angle with the inclined plane of the supporting table through the inclined plane of the supporting table forming a 30-degree angle with the horizontal plane, so that the insulating ladder can be better supported to prevent the insulating ladder from sliding backwards, and the two-point contact between the insulating ladder and the ground is changed into large-area surface contact through the bottom plate; can effectively fix insulating ladder, avoid the ladder to slip backward and unstability turn on one's side, effectively ensure safe operation, eliminate the aerial fall casualties risk that the ground condition that the operation environment is complicated leads to. Meanwhile, the fixing device is arranged on the second fixing frame forming the first inclined plane, so that the insulating ladder can be better fixed; the bottom of the bottom plate is provided with the anti-slip strip, so that the friction force between the bottom plate and the ground can be increased, and the possibility of sliding of the fixing device is reduced; the top surface of the supporting platform is provided with the top surface with anti-skid lines, so that people can conveniently go up and down the ladder; and the handle and the pulley are arranged, so that the carrying operation is convenient.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
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