CN205422504U - Special double ladder of rack formula transformer - Google Patents
Special double ladder of rack formula transformer Download PDFInfo
- Publication number
- CN205422504U CN205422504U CN201620250626.2U CN201620250626U CN205422504U CN 205422504 U CN205422504 U CN 205422504U CN 201620250626 U CN201620250626 U CN 201620250626U CN 205422504 U CN205422504 U CN 205422504U
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- CN
- China
- Prior art keywords
- support stand
- double ladder
- rear support
- support frame
- sucker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a special double ladder of rack formula transformer belongs to the double ladder among the construction multiplexer utensil technical field among the electric power engineering, and its aim at provides the special double ladder of rack formula transformer of a high security performance. Its technical scheme does: including preceding support frame and back support frame, all be equipped with the horizontal pole on preceding support frame and the back support frame, preceding support frame passes through the articulated connection of articulated shaft with the back support frame, articulated shaft both ends and preceding support frame fixed connection, the chamber is held to inside having offered of the body of rod of back support frame, holds the intracavity and splits into the axle through the baffle and hold chamber 26 and hold the chamber with the spring, the spring holds the intracavity and is provided with compression spring, compression spring one end and baffle contact, and the compression spring other end is provided with the fag end seat, is connected with on the fag end seat to prevent changeing the rope, prevents changeing rope other end fixed connection on the articulated shaft. The utility model is suitable for a double ladder that uses among the electric power engineering.
Description
Technical field
The utility model belongs to construction Work tool technical field in power engineering, relates to a kind of double ladder.
Background technology
Ladder, as a kind of daily life tools, it is mainly done limit by two root length thick bar, and scansorial cross bar is crossed in centre, is used for climbing.Common ladder is generally double ladder or vertical ladder, regardless of whether in that field, the application of double ladder is the most relatively broad.
Double ladder: carry out a class ascending tool of finishing etc work for side space (such as roof) in the plane, when using because of it, ladder bars front and back and ground constitute an isosceles triangle, it appears that as ' people ' word, thus its image is referred to as ' double ladder '.
Practical double ladder has fixing double ladder and moving herringbone ladder.Fixing double ladder is that people build instrument temporarily；Movable double ladder is to be connected together by the top loose-leaf of two ladders, can altogether when of mobile, due to its flexibility, therefore is widely used in electrician's operation.Double ladder in early days is usually what timber made, along with the development of metal industry, utilizes aluminum alloy materials now more；Aluminium alloy herringbone ladder has light, attractive in appearance, durable feature, and cost is the highest, therefore is widely used.
In power engineering, double ladder is also conventional utensil.As when transformer being installed, safeguarding, just will be commonly used terraced to this kind of moving herringbone.In prior art, there is a certain distance on bench type transformer distance ground, is overhauling, safeguards, is stopping in the courses of work such as power transmission operation, and staff needs just can work normally to certain height by insulating ladder climbing.But, common ladder there is problems in that 1, traditional ladder typically all staff stands in and operates on cross bar, in order to keep balance and safety, in addition it is also necessary to hand steered a ladder, another hand carries out maintenance work, runs into and needs the operation of two hand operations with regard to very inconvenient operation.2, the cross bar of general ladder is little with the contact area of people's pin so that ladder is uncomfortable and security is poor up and down.
For this, the utility model patent of Application No. 201520484656.5 discloses a kind of bench type transformer special-purpose ladder, this special-purpose ladder includes front support stand and rear support stand, it is equipped with cross bar on front support stand and rear support stand, front support stand and rear support stand are hinged, the upper end of front support stand arranges slide rail and the first spacing fixture block, first pole is set in slide rail, the upper end of rear support stand arranges the second pole, on first pole and the second pole, seat board is set, the both sides of seat board are respectively provided with rotating shaft and the first support bar, socket the second support bar in first support bar, second support bar arranges pedal away from one end of the first support bar, safety tread is set on cross bar.Staff can be sitting on seat board operation, and two hands may be used to maintenance, protected working so that works convenient and swift, improves operating efficiency；Safety tread is bigger with the contact area of people's pin so that up and down safer, comfortable during ladder, and safety tread can rotate, it is simple to movement of the present utility model with deposit.
But, all there is the safety issue of an i.e. double ladder of common problem in this bench type transformer special-purpose ladder and existing double ladder, it is all to be formed by front support stand and rear support stand are hinged due to double ladder, after double ladder is positioned on ground, when staff stands on double ladder, two bracing frames of double ladder are by stress, but make double ladder be difficult to collapse under the effect of the frictional force bottom bracing frame and between ground.The simple rotation safety with the staff on guarantee double ladder preventing bracing frame by the frictional force between bottom bracing frame and ground, the security of this double ladder is relatively low, easily make the staff on double ladder get off from double ladder fading rise, cause the personal injury of staff.
Summary of the invention
The purpose of this utility model is to provide the special double ladder of bench type transformer of a kind of high safety performance.
For achieving the above object, the technical solution of the utility model is:
A kind of special double ladder of bench type transformer, including front support stand and rear support stand, described front support stand and rear support stand is equipped with cross bar, and described front support stand and rear support stand are articulated and connected by jointed shaft；Described jointed shaft two ends are fixing with front support stand to be connected, and described rear support stand can rotate around jointed shaft；Offering receiving chamber inside the body of rod of described rear support stand, be divided into axle by dividing plate and accommodate chamber and spring receiving chamber in described receiving chamber, part jointed shaft is positioned at axle and accommodates chamber；Described spring is provided with compression spring, described compression spring one end and baffle contacts in accommodating chamber, and the described compression spring other end is provided with fag end seat, and on described fag end seat, connection has anti-rotation rope, the described anti-rotation rope other end to be fixedly connected on jointed shaft.
As preferably, bottom described front support stand and rear support stand, it is provided with rubber suction cups.
As preferably, described rubber suction cups includes that sucker shell, suction control bar, connecting rod and PVC ebonite sheet sucker, described suction is controlled bar and is connected with the control spring within sucker shell by rotary shaft, described control spring is fixing with PVC ebonite sheet sucker to be connected, and described connecting rod is fixing with sucker shell bottom to be connected.
As preferably, described PVC ebonite sheet sucker connecting and has cushion compound, the central part of described cushion compound to be connected to one with the central part of PVC ebonite sheet sucker, the edge of described cushion compound is that activity is not connected to the edge of PVC ebonite sheet sucker.
Compared with prior art, the beneficial effects of the utility model are:
In the utility model, front support stand and rear support stand are articulated and connected, and jointed shaft two ends are fixing with front support stand to be connected, and rear support stand can rotate around jointed shaft, realizes strutting or packing up of double ladder by rotating rear support stand；In the body of rod of rear support stand, offer receiving chamber, in accommodating chamber, the anti-rotation stabilizing mechanism being made up of compression spring, fag end seat and anti-rotation rope is set；When double ladder struts, the length that anti-rotation rope is wound on jointed shaft increases, the i.e. length of the anti-rotation rope between dividing plate and fag end seat reduces, compression spring is compressed, even if people stands on double ladder, the Action of Gravity Field of people also is difficult to recompress this compression spring on rear support stand, more anti-rotation rope is made to be wrapped on jointed shaft, thus can effectively prevent from people from standing on double ladder making double ladder to produce and rotate, collapse and staff's personal injury of causing, improve the security performance of this bench type transformer special-purpose ladder.By being provided with rubber suction cups bottom front support stand and rear support stand, when strutting double ladder, front support stand, rear support stand all adsorb on the ground by rubber suction cups, slide on the ground bottom front support stand, rear support stand when can effectively prevent people from standing on double ladder and by the staff's tumble injury on double ladder, improve the security performance of double ladder.Sucker film is set to double-layer structure, and one layer is harder PVC, and another layer is soft film, and harder PVC is fixing with sucker structure to be connected, thus strengthens the stretching resistance that sucker is overall, makes sucker durable；Soft film is connected with adsorbent surface absorption, outside two-layer flash trimming edge portion is not connected to, remaining core is fixedly connected with, thus strengthen the bonding strength of flexible glue and ebonite, edge is not connected to, enable flexible glue preferably with adsorbent surface or have the plane surface of concave-convex sense to adsorb mutually, improve the adsorption capacity of rubber suction cups.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is partial sectional view of the present utility model；
Fig. 3 is the schematic diagram after front support stand and rear support stand turn an angle in Fig. 2；
Fig. 4 is the structural representation of rubber suction cups.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the utility model is described further:
A kind of special double ladder of bench type transformer, this double ladder includes front support stand 1 and rear support stand 2, and this front support stand 1 and rear support stand 2 are provided with some cross bars 4, and staff can step on cross bar 4 by pin and climb up double ladder top.This front support stand 1 and rear support stand 2 are articulated and connected by jointed shaft 3, and jointed shaft 3 two ends are fixedly connected on front support stand 1, and rear support stand 2 is set on jointed shaft 3, and rear support stand 2 can be around the axis rotation of jointed shaft 3 on jointed shaft 3.The body of rod 21 of this back support rod is internal offers receiving by force, is provided with dividing plate 25 in this receiving chamber, and receiving chamber is divided into axle and accommodates chamber 26 and spring receiving chamber 23 by this dividing plate 25.When being articulated and connected, jointed shaft 3 one end is fixing with front support stand 1 after accommodating chamber 26 through this axle and pass rear support stand 2 to be connected, and makes the jointed shaft 3 of part be positioned at this axle and accommodates chamber 26.This spring is provided with compression spring 24 in accommodating chamber 23, and this compression spring 24 one end contacts with dividing plate 25, and wherein this compression spring 24 can directly be fixedly connected on dividing plate 25, and this compression spring 24 also can be pressed on dividing plate 25 tightly.This compression spring 24 other end is provided with fag end seat 22, and when compression spring 24 is compressed, fag end seat 22 also will move with.Connecting on fag end seat 22 and have anti-rotation rope 28, the other end of this anti-rotation rope 28 is intertwined and connected on jointed shaft 3 after sequentially passing through the centre bore of the center of compression spring 24, dividing plate 25.
When needs strut this double ladder, pull rear support stand 2, make the rear support stand 2 axis around jointed shaft 3 on jointed shaft 3 rotate, thus increase the angle between front support stand 1 and rear support stand 2；When increasing angle between the two, more anti-rotation rope 28 will be wrapped on jointed shaft 3, and fag end seat 22 is compressed to a side shifting of jointed shaft 3, compression spring 24；When double ladder struts, the length that anti-rotation rope 28 is wound on jointed shaft 3 increases, the i.e. length of the anti-rotation rope 28 between dividing plate 25 and fag end seat 22 reduces, compression spring 24 is compressed, even if people stands on double ladder, the Action of Gravity Field of people also is difficult to recompress this compression spring 24 on rear support stand 2, more anti-rotation rope 28 is made to be wrapped on jointed shaft 3, thus can effectively prevent from people from standing on double ladder making double ladder to produce and rotate, collapse and staff's personal injury of causing, improve the security performance of this bench type transformer special-purpose ladder.
As preferably, on the basis of above-described embodiment, it is provided with rubber suction cups in the bottom of front support stand 1 and rear support stand 2.This rubber suction cups includes that sucker shell 11, suction control bar 12 and PVC ebonite sheet sucker 15, suction is controlled bar 12 and is connected with sucker shell 11 contained spring by rotary shaft 13, spring is fixing with PVC ebonite sheet sucker 15 to be connected, and connecting rod 14 is fixing with sucker shell 11 bottom to be connected；PVC ebonite sheet sucker 15 and cushion compound 16 connect, and PVC ebonite sheet sucker 15 is fixed as one with cushion compound 16 central part and is connected, and edge is that activity is not connected to.
By being provided with rubber suction cups bottom front support stand 1 and rear support stand 2, when strutting double ladder, front support stand 1, rear support stand 2 all adsorb on the ground by rubber suction cups, slide on the ground bottom front support stand 1, rear support stand 2 when can effectively prevent people from standing on double ladder and by the staff's tumble injury on double ladder, improve the security performance of double ladder.Sucker film is set to double-layer structure, and one layer is harder PVC, and another layer is soft film, and harder PVC is fixing with sucker structure to be connected, thus strengthens the stretching resistance that sucker is overall, makes sucker durable；Soft film is connected with adsorbent surface absorption, outside two-layer flash trimming edge portion is not connected to, remaining core is fixedly connected with, thus strengthen the bonding strength of flexible glue and ebonite, edge is not connected to, enable flexible glue preferably with adsorbent surface or have the plane surface of concave-convex sense to adsorb mutually, improve the adsorption capacity of rubber suction cups.
Claims (4)
1. the special double ladder of bench type transformer, including front support stand (1) and rear support stand (2), it is equipped with cross bar (4), described front support stand (1) and rear support stand (2) on described front support stand (1) and rear support stand (2) to be articulated and connected by jointed shaft (3)；It is characterized in that: described jointed shaft (3) two ends are fixing with front support stand (1) to be connected, and described rear support stand (2) can rotate around jointed shaft (3)；The body of rod (21) of described rear support stand (2) is internal offers receiving chamber, is divided into axle by dividing plate (25) and accommodates chamber (26) and spring receiving chamber (23) in described receiving chamber, and part jointed shaft (3) is positioned at axle and accommodates chamber (26)；Described spring is provided with compression spring (24) in accommodating chamber (23), described compression spring (24) one end contacts with dividing plate (25), described compression spring (24) other end is provided with fag end seat (22), the upper connection of described fag end seat (22) has anti-rotation rope (28), described anti-rotation rope (28) other end to be fixedly connected on jointed shaft (3).
2. a kind of special double ladder of bench type transformer as claimed in claim 1, it is characterised in that: described front support stand (1) and rear support stand (2) bottom are provided with rubber suction cups.
3. a kind of special double ladder of bench type transformer as claimed in claim 2, it is characterized in that: described rubber suction cups includes that sucker shell (11), suction control bar (12), connecting rod (14) and PVC ebonite sheet sucker (15), described suction is controlled bar (12) and is connected by the control spring that rotary shaft (13) is internal with sucker shell (11), described control spring is fixing with PVC ebonite sheet sucker (15) to be connected, and described connecting rod (14) is fixing with sucker shell (11) bottom to be connected.
4. a kind of special double ladder of bench type transformer as claimed in claim 3, it is characterized in that: the upper connection of described PVC ebonite sheet sucker (15) has cushion compound (16), the central part of described cushion compound (16) is connected to one with the central part of PVC ebonite sheet sucker (15), and the edge of described cushion compound (16) is that activity is not connected to the edge of PVC ebonite sheet sucker (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620250626.2U CN205422504U (en) | 2016-03-29 | 2016-03-29 | Special double ladder of rack formula transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620250626.2U CN205422504U (en) | 2016-03-29 | 2016-03-29 | Special double ladder of rack formula transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205422504U true CN205422504U (en) | 2016-08-03 |
Family
ID=56521779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620250626.2U Expired - Fee Related CN205422504U (en) | 2016-03-29 | 2016-03-29 | Special double ladder of rack formula transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205422504U (en) |
-
2016
- 2016-03-29 CN CN201620250626.2U patent/CN205422504U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20170329 |