CN205638213U - Do benefit to foot of ladder that climbing personnel scrambleed security - Google Patents
Do benefit to foot of ladder that climbing personnel scrambleed security Download PDFInfo
- Publication number
- CN205638213U CN205638213U CN201620424142.5U CN201620424142U CN205638213U CN 205638213 U CN205638213 U CN 205638213U CN 201620424142 U CN201620424142 U CN 201620424142U CN 205638213 U CN205638213 U CN 205638213U
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- section
- trampling
- foot
- ladder
- steel tower
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Abstract
The utility model discloses a do benefit to foot of ladder that climbing personnel scrambleed security, including foot nail body, foot nail body is including the section of trampling, the one end of the section of trampling is provided with the external screw thread section, still include with external screw thread section threaded connection's two the 1st check nut, still include with an external screw thread section parallel at least vice pole, vice pole links to each other with the section of trampling through the linkage segment, and is provided with the external screw thread on the vice pole, threaded connection has two the 2nd check nut on the external screw thread, still be provided with the through -hole on the linkage segment, still include three check nut of threaded connection in the external screw thread section. This structure is favorable to the operation personnel to keep its centre of gravity place that stands, does benefit to the security that the operation personnel stood and scrambleed the iron tower, and simultaneously, it is little that vice pole pair operation personnel trample section influence.
Description
Technical field
This utility model relates to cable steel tower attachment technique field in electrical network, particularly relates to a kind of beneficially climbing personnel and climbs the foot of ladder of safety.
Background technology
Iron tower of power transmission line is called for short electric power tower, is generally divided in shape: wine glass-shaped, cathead, upper font, dry font and barrel shape five kinds.Divide by purposes and have: anchor support, tangent tower, angle tower, transposition tower (restringing phase position tower), terminal tower and crossover tower etc..They be structurally characterized in that various tower all belongs to space truss structure, rod member is mainly made up of single equal leg angle or combination angle steel, material generally uses Q235(A3F) and Q345(16Mn) two kinds, rough bolt it is connected by between rod member, by bolt by Shear connection, whole tower is made up of angle steel, junction steel plate and bolt, and individual part such as column foot etc. is welded into a molectron by several block plates, therefore galvanizing anticorrosion, erection extremely convenient of transporting and construct.For exhaling the high steel tower at below 60m, a wherein main material of steel tower arranges foot nail, steps on tower operation with convenient construction operating personnel.
Authorization Notice No. is CN 203879089
The utility model patent of U discloses one and steps on column foot pin structure, this foot pin structure is fixed on steel tower by the bolt hole being arranged on a main material of steel tower, it is different from conventional steel cat ladder, it is not only simple in structure, material cost is few simultaneously, installation process need not welding, is beneficial to keep steel tower service life, low cost.But more than step on column foot to follow closely in use, it is big that construction operation personnel are climbed security implication by the reliability of securing member fastening: when fastener coming loose, foot nail rotates around its section of trampling, the foot nail that guardrail fragment position changes can not provide protection for the foot of operator, rotate changes the stress point of operator foot, and both the above situation all can increase the operating risk of climbing personnel.
Utility model content
For employed in above-mentioned prior art to foot to follow closely the reliability dependency that the safety of in use operator fastened by securing member big, and the fastening situation of securing member its use during it may happen that change, so, just being unfavorable for that operator climb the problem of safety, this utility model provides a kind of beneficially climbing personnel and climbs the foot of ladder of safety.
A kind of beneficially climbing personnel that this utility model provides climb the foot of ladder of safety and solve problem by techniques below main points: a kind of beneficially climbing personnel climb the foot of ladder of safety, body is followed closely including foot, described foot nail body includes the section of trampling, one end of the described section of trampling is provided with external thread section, also include two the first lock nuts threadeded with described external thread section, also include the secondary bar of at least a piece parallel with described external thread section, described secondary bar is connected with the section of trampling by linkage section, and it is provided with external screw thread on pair bar, threaded on described external screw thread have two the second lock nuts；
Being additionally provided with the through hole passed for the section of trampling on described linkage section, also include the 3rd lock nut being threadedly connected on external thread section, described 3rd lock nut, for applying compressive stress on linkage section, is fixed relative to the section of trampling realizing linkage section.
Concrete, in above scheme, prop up for each steel tower foot, the main material of steel tower drills quantity be secondary bar quantity with trample the through hole of hop count amount sum after, secondary bar and the section of trampling insert different through holes respectively, the clamping to main material by the first lock nut and the second lock nut, it is achieved steel tower foot props up the connection on steel tower.
In this structure, owing to steel tower foot props up and steel tower at least two junction points, so, operating personnel trample this steel tower foot prop up time, under the torque that steel tower foot is propped up by operating personnel foot, owing to through-hole side is in the face of secondary bar side face, through-hole side is in the face of the constraint of the section of trampling side, the section of trampling can not rotate around the axis of self, so, follow closely compared to existing steel tower foot, either because original fastener pretightning force is inadequate, or screw thread in use becomes plastic deformation due to elastic deformation, also it is because under wind load, in the case of steel tower foot props up securing member absent-mindedness, the stress point of operating personnel foot will not change, operating personnel is conducive to keep its position of centre of gravity of standing, it is beneficial to the safety that operating personnel stands and climbs.
Above first lock nut and the section of trampling, the second lock nut and the type of attachment of secondary bar, it is easy to according to concrete operation environment and uses the installation having needed it on steel tower, the most also having and be conveniently adjusted this steel tower foot and prop up the technique effect of the extension elongation relative to steel tower.
Just realize being connected with the fixing of steel tower by the first lock nut and the second lock nut respectively with secondary bar due to the section of trampling above, so, first lock nut and second lock nut position change in the section of trampling and secondary bar, if the position that linkage section is in the section of trampling is fixed, then secondary bar can be caused to affect the position of the climbing human feeling section of trampling relative to the extension of steel tower.Therefore in this structure, it is set on linkage section arrange through hole, above through hole is used for wearing the section of trampling, and on linkage section, apply compressive stress by the 3rd lock nut, the frictional force that above compressive stress produces realizes the version that linkage section is fixing with the section of trampling, so, when the installation of complete cost structure, the constraint removing the 3rd lock nut to linkage section can be first passed through, after completing the section of trampling installation, the length direction section of being slidably connected along the section of trampling, after making linkage section be located most closely to the position of steel tower, the fixing of the section of trampling and linkage section is realized again by the 3rd lock nut, finally by locking the second lock nut, realize the form fixed of secondary bar and steel tower, reduce the secondary bar extension elongation relative to steel tower, it is preferably minimized with the impact of just secondary pole pair climbing personnel's climbing.
As those skilled in the art, above 3rd lock nut sets at least to one, and when the 3rd lock nut is one, linkage section is arranged between the first lock nut and the 3rd lock nut；3rd lock nut can also be two or be more than two, and so, linkage section is arranged between adjacent two the 3rd lock nut or between the first lock nut and the 3rd lock nut.
Further, the through hole being preferably disposed on linkage section is the bar hole along linkage section length direction, so, it is easy to the spacing changing secondary bar with the section of trampling, reach the connecting hole spacing deviation on iron tower main material bigger time, slided in bar hole by the section of trampling, match the purpose of secondary bar and the relative position of the section of trampling adapting to connecting hole pitch of holes.
Further technical scheme is:
For avoiding operating personnel foot to be slipped away the safety that this structure, beneficially operating personnel stand and climb by the free end of foot nail body, described in the section of trampling the other end on also set up guardrail section, described guardrail section is connected with the section of trampling by one end bending section.In above structure, the guardrail section that this steel tower foot after preferably installing props up upwarps relative to the section of trampling, and so, can be limited between the main material of steel tower and guardrail section by the foot position of operating personnel.
It is provided with two spring pads between a kind of loosing Prevention Technology scheme propped up as this steel tower foot, two the first lock nuts and two the second lock nuts.
Effectively trampling the technical scheme of length as a kind of reduction in the linkage section impact section of trampling, described linkage section is flat rod, secondary bar and trample Duan Junyu flat rod and be welded to connect, and the thickness direction of flat rod is positioned at the length direction of the section of trampling.
Can not only keep the well section of trampling anti-rotation performance, simultaneously simple in construction as one, it is simple to processing and manufacturing and the technical scheme of connection, the quantity of described secondary bar is one.
This utility model has the advantages that
In this structure, owing to steel tower foot props up and steel tower at least two junction points, so, operating personnel trample this steel tower foot prop up time, under the torque that steel tower foot is propped up by operating personnel foot, owing to through-hole side is in the face of secondary bar side face, through-hole side is in the face of the constraint of the section of trampling side, the section of trampling can not rotate around the axis of self, so, follow closely compared to existing steel tower foot, either because original fastener pretightning force is inadequate, or screw thread in use becomes plastic deformation due to elastic deformation, also it is because under wind load, in the case of steel tower foot props up securing member absent-mindedness, the stress point of operating personnel foot will not change, operating personnel is conducive to keep its position of centre of gravity of standing, it is beneficial to the safety that operating personnel stands and climbs.
Above first lock nut and the section of trampling, the second lock nut and the type of attachment of secondary bar, it is easy to according to concrete operation environment and uses the installation having needed it on steel tower, the most also having and be conveniently adjusted this steel tower foot and prop up the technique effect of the extension elongation relative to steel tower.
Therefore in this structure, it is set on linkage section arrange through hole, above through hole is used for wearing the section of trampling, and on linkage section, apply compressive stress by the 3rd lock nut, the frictional force that above compressive stress produces realizes the version that linkage section is fixing with the section of trampling, so, when the installation of complete cost structure, the constraint removing the 3rd lock nut to linkage section can be first passed through, after completing the section of trampling installation, the length direction section of being slidably connected along the section of trampling, after making linkage section be located most closely to the position of steel tower, the fixing of the section of trampling and linkage section is realized again by the 3rd lock nut, finally by locking the second lock nut, realize the form fixed of secondary bar and steel tower, reduce the secondary bar extension elongation relative to steel tower, it is preferably minimized with the impact of just secondary pole pair climbing personnel's climbing.
Accompanying drawing explanation
Fig. 1 is the structural representation that a kind of beneficially climbing personnel described in the utility model climb one specific embodiment of foot of ladder of safety.
Numbering in figure is followed successively by: 1, secondary bar, and 2, the section of trampling, the 31, first lock nut, the 32, second lock nut, the 33, the 3rd lock nut, 4, guardrail section, 5, linkage section.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in further detail, but structure of the present utility model is not limited only to following example.
Embodiment 1:
As shown in Figure 1, a kind of beneficially climbing personnel climb the foot of ladder of safety, body is followed closely including foot, described foot nail body includes the section of trampling 2, described in one end of the section of trampling 2 be provided with external thread section, also include two the first lock nuts 31 threadeded with described external thread section, also include the secondary bar of at least a piece parallel with described external thread section 1, described secondary bar 1 is connected with the section of trampling 2 by linkage section 5, and is provided with external screw thread on secondary bar 1, and threaded on described external screw thread have two the second lock nuts 32；
It is additionally provided with, on described linkage section 5, the through hole passed for the section of trampling 2, also include the 3rd lock nut 33 being threadedly connected on external thread section, described 3rd lock nut 33 is for applying compressive stress on linkage section 5, fixing relative to the section of trampling 2 to realize linkage section 5.
Concrete, in above scheme, prop up for each steel tower foot, the main material of steel tower drills quantity be secondary bar 1 quantity with the through hole of the section of trampling 2 quantity sum after, secondary bar 1 and the section of trampling 2 insert different through holes respectively, by the first lock nut 31 and the clamping to main material of second lock nut 32, it is achieved steel tower foot props up the connection on steel tower.
In the present embodiment, owing to steel tower foot props up and steel tower at least two junction points, so, operating personnel trample this steel tower foot prop up time, under the torque that steel tower foot is propped up by operating personnel foot, owing to through-hole side is in the face of secondary bar 1 side, through-hole side is in the face of the constraint of the section of trampling 2 side, the section of trampling 2 can not rotate around the axis of self, so, follow closely compared to existing steel tower foot, either because original fastener pretightning force is inadequate, or screw thread in use becomes plastic deformation due to elastic deformation, also it is because under wind load, in the case of steel tower foot props up securing member absent-mindedness, the stress point of operating personnel foot will not change, operating personnel is conducive to keep its position of centre of gravity of standing, it is beneficial to the safety that operating personnel stands and climbs.
Above first lock nut 31 and the section of trampling the 2, second lock nut 32 and the type of attachment of secondary bar 1, it is easy to according to concrete operation environment and uses the installation having needed it on steel tower, the most also having and be conveniently adjusted this steel tower foot and prop up the technique effect of the extension elongation relative to steel tower.
Just realize being connected with the fixing of steel tower by the first lock nut 31 and the second lock nut 32 respectively with secondary bar 1 due to the section of trampling 2 above, so, first lock nut 31 and second lock nut 32 position change in the section of trampling 2 and secondary bar 1, if the position that linkage section 5 is in the section of trampling 2 is fixed, then secondary bar 1 can be caused to affect the position of the climbing human feeling section of trampling 2 relative to the extension of steel tower.nullTherefore in this structure，It is set on linkage section 5 arrange through hole，Above through hole is used for wearing the section of trampling 2，And on linkage section 5, apply compressive stress by the 3rd lock nut 33，The frictional force that above compressive stress produces realizes linkage section 5 and the fixing version of the section of trampling 2，So，When the installation of complete cost structure，The constraint removing the 3rd lock nut 33 to linkage section 5 can be first passed through，After completing the section of trampling 2 installation，The length direction section of being slidably connected 5 along the section of trampling 2，After making linkage section 5 be located most closely to the position of steel tower，The fixing of the section of trampling 2 and linkage section 5 is realized again by the 3rd lock nut 33，Finally by locking the second lock nut 32，Realize the form fixed of secondary bar 1 and steel tower，Reduce the secondary bar 1 extension elongation relative to steel tower，It is preferably minimized with the impact that climbing personnel are climbed by just secondary bar 1.
In the present embodiment, the 3rd lock nut 33 is one, and linkage section 5 is arranged between the first lock nut 31 and the 3rd lock nut 33, so that secondary bar 1 is relative to steel tower, extension elongation is minimum.
In the present embodiment, being arranged at the through hole on linkage section 5 is the bar hole along linkage section 5 length direction, so, it is easy to the spacing changing secondary bar 1 with the section of trampling 2, reach the connecting hole spacing deviation on iron tower main material bigger time, slided in bar hole by the section of trampling 2, match the purpose of secondary the bar 1 and relative position of the section of trampling 2 adapting to connecting hole pitch of holes.
Embodiment 2:
As shown in Figure 1, described ladder head is further qualified on the basis of embodiment 1 by the present embodiment: for avoiding operating personnel foot to be slipped away this structure by the free end of foot nail body, it is beneficial to the safety that operating personnel stands and climbs, also setting up guardrail section 4 on the other end of the described section of trampling 2, described guardrail section 4 is connected with the section of trampling 2 by one end bending section.In above structure, the guardrail section 4 that this steel tower foot after preferably installing props up upwarps relative to the section of trampling 2, so, can be limited between the main material of steel tower and guardrail section 4 by the foot position of operating personnel.
A kind of loosing Prevention Technology scheme propped up as this steel tower foot, is provided with two spring pads between two the first lock nuts 31 and two the second lock nuts 32.
Effectively trampling the technical scheme of length as a kind of reduction in the linkage section 5 impact section of trampling 2, described linkage section 5 be flat rod, and pair bar 1 and the section of trampling 2 are all welded to connect with flat rod, and the thickness direction of flat rod is positioned at the length direction of the section of trampling 2.
Embodiment 3:
Described maintenance ladder is further qualified on the basis of any one technical scheme that one embodiment of any of the above provides by the present embodiment, as shown in Figure 1, the well section of trampling 2 anti-rotation performance, simultaneously simple in construction can not only be kept as one, being easy to the technical scheme of processing and manufacturing and connection, the quantity of described secondary bar 1 is one.
Above content is to combine the further description that this utility model is made by concrete preferred implementation, it is impossible to assert that detailed description of the invention of the present utility model is confined to these explanations.For this utility model person of an ordinary skill in the technical field, other embodiments drawn under without departing from the technical solution of the utility model, should be included in protection domain of the present utility model.
Claims (5)
1. one kind is beneficial to climbing personnel and climbs the foot of ladder of safety, body is followed closely including foot, described foot nail body includes the section of trampling (2), one end of the described section of trampling (2) is provided with external thread section, also include two the first lock nuts (31) threadeded with described external thread section, it is characterized in that, also include the secondary bar of at least a piece parallel with described external thread section (1), described secondary bar (1) is connected with the section of trampling (2) by linkage section (5), and it being provided with external screw thread in pair bar (1), threaded on described external screw thread have two the second lock nuts (32)；
The through hole passed for the section of trampling (2) it is additionally provided with on described linkage section (5), also include the 3rd lock nut (33) being threadedly connected on external thread section, described 3rd lock nut (33) is for applying compressive stress on linkage section (5), fixing relative to the section of trampling (2) to realize linkage section (5).
The most according to claim 1 a kind of be beneficial to climbing personnel and climb the foot of ladder of safety, it is characterised in that described in the section of trampling (2) the other end on also set up guardrail section (4), described guardrail section (4) is connected with the section of trampling (2) by one end bending section.
A kind of beneficially climbing personnel the most according to claim 1 climb the foot of ladder of safety, it is characterised in that be provided with two spring pads between two the first lock nuts (31) and two the second lock nuts (32).
A kind of beneficially climbing personnel the most according to claim 1 climb the foot of ladder of safety, it is characterized in that, described linkage section (5) is flat rod, and secondary bar (1) and the section of trampling (2) are all welded to connect with flat rod, and the thickness direction of flat rod is positioned at the length direction of the section of trampling (2).
A kind of beneficially climbing personnel the most as claimed in any of claims 1 to 4 climb the foot of ladder of safety, it is characterised in that the quantity of described secondary bar (1) is one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620424142.5U CN205638213U (en) | 2016-05-11 | 2016-05-11 | Do benefit to foot of ladder that climbing personnel scrambleed security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620424142.5U CN205638213U (en) | 2016-05-11 | 2016-05-11 | Do benefit to foot of ladder that climbing personnel scrambleed security |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205638213U true CN205638213U (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620424142.5U Expired - Fee Related CN205638213U (en) | 2016-05-11 | 2016-05-11 | Do benefit to foot of ladder that climbing personnel scrambleed security |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205638213U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756553A (en) * | 2016-05-11 | 2016-07-13 | 成都市东方电力线路构件厂 | Foot ladder structure favorable for improving climbing safety of climber |
-
2016
- 2016-05-11 CN CN201620424142.5U patent/CN205638213U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756553A (en) * | 2016-05-11 | 2016-07-13 | 成都市东方电力线路构件厂 | Foot ladder structure favorable for improving climbing safety of climber |
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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: 20161012 Termination date: 20210511 |