CN111827866A

CN111827866A - Low-voltage folding portable insulating ladder

Info

Publication number: CN111827866A
Application number: CN202010831189.4A
Authority: CN
Inventors: 李丽; 任小诚; 周西南; 陈成; 王秀镜; 吴国琼; 淳文翔; 李进; 韦德智; 王义军; 杨玉兰
Original assignee: Guizhou Power Grid Co Ltd
Current assignee: Guizhou Power Grid Co Ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2020-10-27
Anticipated expiration: 2040-08-18
Also published as: CN111827866B

Abstract

The invention relates to the technical field of electric insulating ladders and discloses a low-voltage folding portable insulating ladder which comprises supporting rods, steps and supporting blocks, wherein the supporting blocks are fixedly connected to the bottoms of the supporting rods, two groups of supporting rods are arranged, the steps are fixedly connected between the two supporting rods, each supporting rod comprises a rod body, a hydraulic cylinder and a limiting rod, folding hooks are fixedly connected to two ends of the top of each supporting rod, a fixing mechanism is installed on the upper surface of the uppermost step, and a pin inserting mechanism is installed at the bottom of each supporting rod. Through the bracing piece of constituteing by a plurality of body of rod to connect through the pneumatic cylinder between a plurality of bodies of rod, thereby when needs are folding, pneumatic cylinder work can make the bracing piece shorten, thereby makes things convenient for equipment to remove, and the lid is provided with gag lever post and spacing hole between the body of rod, thereby makes the body of rod can not squint in the motion, remains the direction that removes at the pneumatic cylinder throughout.

Description

Low-voltage folding portable insulating ladder

Technical Field

The invention relates to the technical field of electric insulating ladders, in particular to a low-voltage folding portable insulating ladder.

Background

The insulating ladder is used for special climbing tools in electric power engineering, telecommunication engineering, electrical engineering, hydroelectric engineering and the like. The workman's life safety has been guaranteed to the biggest degree to insulating ladder's good insulating characteristics, insulating ladder divide into insulating single ladder, insulating rope ladder, insulating bamboo joint ladder (fishing rod ladder), insulating joint ladder, insulating single vertical ladder, insulating ladder that closes, insulating double ladder, insulating companion ladder (insulating single companion ladder of double ladder, insulating flexible ladder that closes, insulating flexible double ladder), insulating bench of marking time, insulating height bench, insulating high bench, insulating lift platform, full insulation scaffold frame etc..

The existing insulator is inconvenient to fold and move and is not suitable for being used on complicated terrains.

Disclosure of Invention

Technical problem to be solved

In view of the deficiencies of the prior art, the present invention provides a low voltage foldable portable insulating ladder to solve the problems set forth in the background art.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a portable insulating ladder is folded to low pressure, includes bracing piece, step and supporting shoe, supporting shoe fixed connection is in the bottom of bracing piece, the bracing piece is equipped with two sets ofly, step fixed connection is two between the bracing piece, the bracing piece includes the body of rod, pneumatic cylinder and gag lever post, the folding couple of both ends fixedly connected with at bracing piece top, the top the last surface mounting of step has fixed establishment, contact pin mechanism is installed to the bottom of bracing piece.

Preferably, the body of rod is equipped with a plurality of, through pneumatic cylinder fixed connection between the body of rod, gag lever post fixed connection has in the bottom of the body of rod, the bottom of gag lever post is opened at the top of the body of rod has spacing hole, the outer wall of gag lever post and the inner wall sliding connection in spacing hole.

Preferably, the limiting rods and the limiting holes are four, the four limiting rods are respectively installed at four corners of the bottom of the rod body, the four limiting holes are formed in the four corners of the bottom of the rod body, and lubricating oil is coated on gaps between the limiting rods and the four limiting holes.

Preferably, the shape of step is oval, the step from the top down grow in proper order, open at the middle part of step has the fretwork, and the top the outer wall of step and below the inner wall size of fretwork matches in the step.

Preferably, fixed establishment comprises connecting block, draw-in groove and bolt, draw-in groove fixed connection is at the top of connecting block, connecting block fixed connection is at the top of step, the inner wall bottom fixedly connected with antiskid rubber pad of draw-in groove, the upper surface shape of antiskid rubber pad is the right angle wave, the top at the draw-in groove is installed to the bolt, the nut is installed to the one end of bolt, nut and bolt threaded connection.

Preferably, the contact pin mechanism includes the contact pin body, the top of contact pin body runs through to the bottom of the body of rod through the supporting shoe, the below the middle part of the body of rod is opened there is the square groove, the front of square groove is opened in the front of the body of rod has the slide opening, slide opening and square groove intercommunication, square inslot internally mounted has the square, square and square groove sliding connection, the top of contact pin body runs through the bottom fixed connection who advances the temporal part in square groove and square, the positive fixedly connected with spliced pole of square, spliced pole and slide opening sliding connection are and run through to the front of the body of rod, the positive fixedly connected with shifting block of spliced pole, the positive fixedly connected with arch of shifting block.

Preferably, both sides fixedly connected with trapezoidal slider of square, trapezoidal spout has been opened at the inner wall of square groove to one side of trapezoidal slider, trapezoidal slider and trapezoidal spout sliding connection.

Preferably, the back of the shifting block is fixedly connected with a circular sliding block, the back of the circular sliding block is provided with a circular sliding groove in the front of the rod body, and the circular sliding block is in sliding connection with the circular sliding groove.

Compared with the prior art, the invention provides a low-voltage folding portable insulating ladder, which has the following beneficial effects:

1. according to the folding type folding device, the supporting rod is composed of the plurality of rod bodies, the plurality of rod bodies are connected through the hydraulic cylinder, so that when the folding type folding device needs to be folded, the hydraulic cylinder can work to shorten the supporting rod, the device can move conveniently, and the limiting rod and the limiting hole are arranged between the rod bodies in a covering mode, so that the rod bodies cannot deviate when moving, and the moving direction of the hydraulic cylinder is kept all the time.

2. According to the invention, the fixing mechanism is arranged at the top of the step, so that when the device is used, the clamping groove on the fixing mechanism can be clamped on the cross frame of the power equipment and then fixed through the bolt and the nut, and therefore, the device cannot be loosened when in use, and the danger is caused to constructors.

3. According to the invention, the pin inserting mechanism is arranged at the bottom of the supporting rod, the protrusion is stirred when the pin inserting device is used, so that the pin inserting body moves downwards, passes through the supporting block and then is inserted into the ground, thus the equipment is firmer, and the pin inserting device can adapt to different terrains by arranging the pin inserting mechanism, so that the practicability of the device is improved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a view showing the construction of a support bar according to the present invention;

FIG. 3 is a cross-sectional view of the pin mechanism of the present invention;

FIG. 4 is an enlarged schematic view of A;

FIG. 5 is a top view of the step of the present invention;

fig. 6 is a structural view of the fixing mechanism of the present invention.

In the figure: the pin inserting device comprises a supporting rod 1, a rod body 101, a hydraulic cylinder 102, a limiting rod 103, a limiting hole 104, a folding hook 105, a square groove 106, a sliding hole 107, a step 2, a hollow 201, a fixing mechanism 3, a connecting block 301, a clamping groove 302, an anti-skidding rubber pad 303, a bolt 304, a nut 305, a supporting block 4, a pin inserting mechanism 5, a pin inserting body 501, a square block 502, a trapezoidal sliding block 503, a trapezoidal sliding groove 504, a connecting column 505, a shifting block 506, a protrusion 507, a circular sliding block 508 and a circular sliding groove 509.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-6, the present invention provides a technical solution: a low-pressure folding portable insulating ladder comprises support rods 1, steps 2 and support blocks 4, wherein the support blocks 4 are fixedly connected to the bottoms of the support rods 1, the support rods 1 are provided with two groups, the steps 2 are fixedly connected between the two support rods 1, each support rod 1 comprises a rod body 101, a hydraulic cylinder 102 and a limiting rod 103, two ends of the top of each support rod 1 are fixedly connected with folding hooks 105, a fixing mechanism 3 is arranged on the upper surface of the uppermost step 2, a pin inserting mechanism 5 is arranged at the bottom of each support rod 1, the support rods 1 are composed of a plurality of rod bodies 101, the rod bodies 101 are connected through the hydraulic cylinders 102, when folding is needed, the support rods 1 can be shortened by the operation of the hydraulic cylinders 102, equipment can be conveniently moved, and the limiting rods 103 and limiting holes 104 are arranged between the rod bodies 101 in a covering mode, so that the rod bodies, always in the direction of movement of the hydraulic cylinder 102.

The rod bodies 101 are provided with a plurality of rod bodies 101, the rod bodies 101 are fixedly connected through hydraulic cylinders 102, the limiting rods 103 are fixedly connected to the bottoms of the rod bodies 101, limiting holes 104 are formed in the tops of the rod bodies 101 at the bottoms of the limiting rods 103, and the outer walls of the limiting rods 103 are in sliding connection with the inner walls of the limiting holes 104.

Limiting rods 103 and limiting holes 104 are four, four limiting rods 103 are respectively arranged at four corners of the bottom of the rod body 101, four limiting holes 104 are arranged at four corners of the bottom of the rod body 101, and lubricating oil is coated on gaps between the four limiting rods 103 and the four limiting holes 104.

The step 2 is oval in shape, the step 2 is enlarged from top to bottom, the hollow 201 is formed in the middle of the step 2, and the outer wall of the step 2 above is matched with the inner wall of the hollow 201 in the step 2 below in size.

Fixing mechanism 3 is by connecting block 301, draw-in groove 302 and bolt 304 are constituteed, draw-in groove 302 fixed connection is at the top of connecting block 301, connecting block 301 fixed connection is at the top of step 2, the inner wall bottom fixedly connected with antiskid rubber pad 303 of draw-in groove 302, the upper surface shape of antiskid rubber pad 303 is the right angle wave, the top at draw-in groove 302 is installed to bolt 304, nut 305 is installed to bolt 304's one end, nut 305 and bolt 304 threaded connection, through the top installation fixing mechanism 3 at step 2, when the device uses, can block draw-in groove 302 on fixing mechanism 3 on power equipment's crossbearer, then it is fixed through bolt 304 and nut 305, thereby make the device can not become flexible when using, lead to constructor to take place danger.

The pin inserting mechanism 5 comprises a pin inserting body 501, the top of the pin inserting body 501 penetrates to the bottom of the rod body 101 through a supporting block 4, the middle part of the rod body 101 at the lowest position is provided with a square groove 106, the front surface of the square groove 106 is provided with a sliding hole 107 on the front surface of the rod body 101, the sliding hole 107 is communicated with the square groove 106, a square block 502 is arranged in the square groove 106, the square block 502 is in sliding connection with the square groove 106, the top of the pin inserting body 501 penetrates through the temporal part of the square groove 106 and is fixedly connected with the bottom of the square block 502, the front surface of the square block 502 is fixedly connected with a connecting column 505, the connecting column 505 is in sliding connection with the sliding hole 107 and penetrates to the front surface of the rod body 101, the front surface of the connecting column 505 is fixedly connected with a shifting block 506, the front surface of the shifting block 506 is fixedly connected with a protrusion 507, the pin inserting, therefore, the equipment is firmer, the pin inserting mechanism 5 can adapt to different terrains, and the practicability of the device is improved.

Trapezoidal sliding blocks 503 are fixedly connected to two sides of the square block 502, trapezoidal sliding grooves 504 are formed in the inner walls of the square grooves 106 on one sides of the trapezoidal sliding blocks 503, and the trapezoidal sliding blocks 503 are in sliding connection with the trapezoidal sliding grooves 504.

The back of the shifting block 506 is fixedly connected with a circular sliding block 508, the back of the circular sliding block 508 is provided with a circular sliding groove 509 on the front surface of the rod body 101, and the circular sliding block 508 is in sliding connection with the circular sliding groove 509.

When using, pneumatic cylinder 102 promotes a plurality of body of rod 101 and makes bracing piece 1 shorten to make things convenient for the equipment to remove, block draw-in groove 302 on the fixed establishment 3 on power equipment's crossbearer, then it is fixed through bolt 304 and nut 305, thereby make the device can not become flexible when using, stir arch 507, make contact pin body 501 move down, and pass supporting shoe 4, then insert on ground, thereby make the equipment more firm, and can adapt to different topography through setting up contact pin mechanism 5, improve the practicality of device.

In conclusion, by the support rod 1 composed of a plurality of rod bodies 101 and the plurality of rod bodies 101 connected by the hydraulic cylinder 102, when the support rod needs to be folded, the hydraulic cylinder 102 works to shorten the support rod 1, thereby facilitating the movement of the equipment, and the limiting rod 103 and the limiting hole 104 are arranged between the rod bodies 101 in a covering manner, thereby preventing the rod bodies 101 from deviating during the movement and always keeping in the moving direction of the hydraulic cylinder 102, by installing the fixing mechanism 3 on the top of the step 2, when the device is used, the clamping groove 302 on the fixing mechanism 3 can be clamped on the cross frame of the power equipment and then fixed by the bolt 304 and the nut 305, thereby preventing the device from loosening during the use and causing danger to constructors, by installing the pin inserting mechanism 5 on the bottom of the support rod 1, and shifting the protrusion 507 during the use, the pin body 501 moves downwards, and pass supporting shoe 4, then insert on ground to make equipment more firm, and can adapt to different topography through setting up contact pin mechanism 5, improve the practicality of device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Portable insulating ladder is folded to low pressure, including bracing piece (1), step (2) and supporting shoe (4), supporting shoe (4) fixed connection is in the bottom of bracing piece (1), bracing piece (1) is equipped with two sets ofly, step (2) fixed connection is two between bracing piece (1), its characterized in that: bracing piece (1) is including the body of rod (101), pneumatic cylinder (102) and gag lever post (103), folding couple (105) of both ends fixedly connected with at bracing piece (1) top the last surface mounting of step (2) has fixed establishment (3), contact pin mechanism (5) are installed to the bottom of bracing piece (1).

2. The low voltage folding portable insulating ladder of claim 1, characterized in that: the utility model discloses a spacing pole, including the body of rod (101), the body of rod (101) is equipped with a plurality of, through pneumatic cylinder (102) fixed connection between the body of rod (101), gag lever post (103) fixedly connected with is in the bottom of the body of rod (101), spacing hole (104) have been opened at the top of the body of rod (101) in the bottom of gag lever post (103), the outer wall of gag lever post (103) and the inner wall sliding connection in spacing hole (104).

3. The low voltage folding portable insulating ladder of claim 2, characterized in that: limiting rod (103) and spacing hole (104) are equipped with four, four the four corners in body of rod (101) bottom is installed respectively in limiting rod (103), four the four corners in body of rod (101) bottom is seted up in spacing hole (104), four limiting rod (103) and four gap between spacing hole (104) scribbles lubricating oil.

4. The low voltage folding portable insulating ladder of claim 1, characterized in that: the shape of step (2) is oval, step (2) grow in proper order from the top down, open at the middle part of step (2) has fretwork (201), and the top the outer wall and the below of step (2) the inner wall size of fretwork (201) matches in step (2).

5. The low voltage folding portable insulating ladder of claim 1, characterized in that: fixed establishment (3) comprise connecting block (301), draw-in groove (302) and bolt (304), draw-in groove (302) fixed connection is at the top of connecting block (301), connecting block (301) fixed connection is at the top of step (2), the inner wall bottom fixedly connected with antiskid rubber pad (303) of draw-in groove (302), the upper surface shape of antiskid rubber pad (303) is the right angle wave, the top at draw-in groove (302) is installed in bolt (304), nut (305) are installed to the one end of bolt (304), nut (305) and bolt (304) threaded connection.

6. The low voltage folding portable insulating ladder of claim 1, characterized in that: the pin inserting mechanism (5) comprises a pin inserting body (501), the top of the pin inserting body (501) penetrates through the bottom of the rod body (101) through a supporting block (4), a square groove (106) is formed in the middle of the rod body (101) at the lowest position, a sliding hole (107) is formed in the front face of the rod body (101) on the front face of the square groove (106), the sliding hole (107) is communicated with the square groove (106), a square block (502) is installed inside the square groove (106), the square block (502) is in sliding connection with the square groove (106), the top of the pin inserting body (501) penetrates through the temporal part of the square groove (106) and is fixedly connected with the bottom of the square block (502), a connecting column (505) is fixedly connected to the front face of the square block (502), the connecting column (505) is in sliding connection with the sliding hole (107) and penetrates through the front face of the rod body (101), and a shifting block (506) is fixedly connected to the front, the front surface of the shifting block (506) is fixedly connected with a bulge (507).

7. The low voltage folding portable insulating ladder of claim 6, characterized in that: trapezoidal sliding blocks (503) are fixedly connected to two sides of the square block (502), a trapezoidal sliding groove (504) is formed in the inner wall of the square groove (106) on one side of each trapezoidal sliding block (503), and the trapezoidal sliding blocks (503) are connected with the trapezoidal sliding grooves (504) in a sliding mode.

8. The low voltage folding portable insulating ladder of claim 6, characterized in that: the back of the shifting block (506) is fixedly connected with a circular sliding block (508), the back of the circular sliding block (508) is provided with a circular sliding groove (509) in the front face of the rod body (101), and the circular sliding block (508) is in sliding connection with the circular sliding groove (509).