CN106499332A - A kind of U-shaped foot nail of iron tower falling-proof and its using method - Google Patents
A kind of U-shaped foot nail of iron tower falling-proof and its using method Download PDFInfo
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- CN106499332A CN106499332A CN201610960645.9A CN201610960645A CN106499332A CN 106499332 A CN106499332 A CN 106499332A CN 201610960645 A CN201610960645 A CN 201610960645A CN 106499332 A CN106499332 A CN 106499332A
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- shaped foot
- foot
- limiting plate
- steelframe
- nail
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
- E06C9/02—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes rigidly mounted
- E06C9/04—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes rigidly mounted in the form of climbing irons or the like
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- Engineering & Computer Science (AREA)
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- Emergency Lowering Means (AREA)
Abstract
The invention discloses a kind of U-shaped foot nail of iron tower falling-proof and its using method, follow closely including U-shaped foot and limiting plate, U-shaped foot nail is arranged on the steelframe of steel tower, the end one of its opening is fixedly connected with steelframe, the end two of opening is connected with limiting plate bottom, and both ends are vertically arranged, limiting plate top is close to be fixedly connected on steelframe in the lump through end, and bottom dorsal part is provided with the stopper slot being fastened on steelframe.The present invention is followed closely using U-shaped foot and limiting plate, conveniently and efficiently on steelframe can reduce the operation that steelframe makes hole, and handling of being more convenient for are safeguarded；Especially for the transformation of traditional reinforcing bar foot nail, using existing installation through-hole, the limiting plate and U-shaped foot nail of the present invention conveniently and efficiently can be installed on steel tower steelframe, transformation is easily, greatly improve the safety of traditional steel tower climbing and the reliability of foot nail, improvement cost is low, and the present invention also has simple structure, the characteristics of low cost.
Description
Technical field
The present invention relates to a kind of U-shaped foot nail of iron tower falling-proof and its using method, belong to steel tower climbing equipment technical field.
Background technology
At present, be mounted on the steel tower of transmission line of electricity for climb foot nail, it be one cylindrically shaped
Reinforcing bar.The side of the foot nail does not have safeguard procedures so that climbing person usually occurs unexpected as foot breaks away；Staff exists
Upper and lower climbing or during shift operation, is nailed on as the seat belt hanger for being used button is hung over foot on tower steel tower, equally can be because of
Break away and drop out and lose effect of protection；Additionally, the surface of existing foot nail is relatively smooth, climbing person is easy when firmly trampling
Skid and cause to grasp loosely pendant tower, and foot nail only one of which end is connected with steel tower, is standing wind erosion and flatulence of heat type in long-time
The phenomenon of loosening after shrinkage, can be produced, is easily rotated after causing its stress, increase the probability of pendant tower, security reliability is relatively low.Cause
In hook, taper, operating personnel occurs that during climbing steel tower foot nail end hangs seat belt, the instrument of stumbling to the profile of foot nail often
Bag, shoestring, cuff, clothing etc. jeopardize job safety and therefore reduce the phenomenon of work efficiency.When there is personnel's pendant tower, Gu
The seat belt that sets forms single pendulum effect with human body, and the hook of foot nail, taper can cause the extension to human body, evil of stabbing.In addition, also having
A part of regional by the way of attachment rail formula climbs falling guard device and anti-fall guide rail and whole-body safety belt is engaged, though
Safety is so effectively improved, but because its cost of manufacture is higher, mounting arrangements are relatively complicated, and are difficult to promote.Chinese patent
Application（CN201137458Y）Disclose a kind of iron tower falling-proof U-shaped foot nail, foot nail opening two ends using screw thread with
Steel tower steelframe connects, and needs to arrange two screwed holes to be mated with foot nail on steel tower steelframe, and existing traditional steel tower
The upper foot for adopting is followed closely as a reinforcing bar, is connected with steelframe by the threaded one end that foot is followed closely, and transforms another one hole of brill of needs just to which
The installation of U-shaped foot nail can be met, transformation is complicated, installs and safeguards inconvenience.
Content of the invention
The technical problem to be solved in the present invention is：U-shaped foot nail and its using method of a kind of iron tower falling-proof are provided, safely may be used
By property height, simple structure, low manufacture cost, it is easy to handling to safeguard, it is adaptable to the transformation that the foot that traditional single steel bar is constituted is followed closely, with
Solve problems of the prior art.
The technical scheme that the present invention takes is：A kind of U-shaped foot nail of iron tower falling-proof, follows closely including U-shaped foot and limiting plate, U-shaped
Foot nail is arranged on the steelframe of steel tower, and the end one of its opening is fixedly connected with steelframe, the end two of opening and limiting plate
Bottom connects, and both ends are vertically arranged, and limiting plate top is close to be fixedly connected on steelframe in the lump through end, bottom dorsal part
It is provided with the stopper slot being fastened on steelframe.
Preferably, the steelframe wallboard and limiting plate fastening are converged by double nut after above-mentioned end one penetrates steelframe wallboard.
Preferably, pad is provided with above-mentioned double nut pincer attack steelframe wallboard.
Preferably, above-mentioned end two penetrates spacing by locking pin after limiting plate and tight abutment is on steelframe surface, limit
Position plate setting is fluted, and locking pin is placed in groove.
Preferably, above-mentioned U-shaped foot nail is made using screw-thread steel bending or is made or adopted using the steel bar of surface knurling
The steel pipe bending of surface knurling is made.
Preferably, above-mentioned stopper slot is formed by bending limiting plate both sides extension.
Preferably, the whole dorsal part of above-mentioned limiting plate is arranged to stopper slot.
A kind of using method of the U-shaped foot nail of iron tower falling-proof, the method are comprised the following steps：
（1）By U-shaped foot nail on the D lower limbs of the right main material of steel tower, start to tower top 0.5 from about 1.5 meters in the plane of basis top
At rice, alternately install in the right angle angle steel both sides of a main material, exist per the horizontal vertical spacing between two secondary adjacent feet nail downsides
0.45 meter；
（2）U-shaped foot is articulated to using seat belt hanger to follow closely in the frame portion to be formed, free-hand three frame portions to be formed of following closely from foot select one
While gripping foot nail, and after foot is followed closely, move by both hands arm strength and legs and feet strength, cross-reference
Seat belt left and right sides hook is climbed；
（3）Until climbing is to steel tower specified location.
A kind of using method of the U-shaped foot nail of iron tower falling-proof, the method are comprised the following steps：
（1）Single for tradition cylindrical steel tower foot nail is removed；
（2）U-shaped foot is nailed on portion threaded openings end and is inserted in nut and pad；
（3）By the upper through-hole of steel limiting plate through U-shaped foot follow closely upper, open end, upper through-hole be U-shaped foot nail diameter+
0.5mm, on the upside of limiting plate, both sides are made downwards right-angle bending at each 50mm and form stopper slot, and stopper slot is used for the main material for being clipped in steel tower
Angle steel；
（4）Convex, i.e. rear channel are set on the downside of limiting plate, in convex, are provided with spacing hole, spacing hole be U-shaped foot nail diameter+
0.5mm, convex protrude limiting plate front surface plane 8mm；
（5）The top threaded openings end that the U-shaped foot for putting on limiting plate is followed closely is penetrated steel tower original foot nail；
（6）Treat U-shaped foot nail downside insertion clamping plate convex spacing hole and insert locking pin and and stopper slot is engaged on angle steel
Afterwards, a whole set of U-shaped foot nail is locked in two lateral edges of tower material angle steel one side plane with antitheft nut shimming；
（7）During use, U-shaped foot is articulated to using the seat belt hanger of catching device and is followed closely in the frame portion to be formed, free-hand follow closely to be formed from foot
Three frame portions select to grip on one side foot nail, and after foot is followed closely, by both hands arm strength and legs and feet strength
Move, cross-reference seat belt left and right sides hook is climbed；
（8）Until climbing is to steel tower specified location.
Beneficial effects of the present invention：Compared with prior art, effect of the invention is as follows：
（1）The present invention is followed closely using U-shaped foot and limiting plate, conveniently and efficiently on steelframe can be reduced steelframe and make hole
Operation, handling of being more convenient for are safeguarded；
（2）The transformation of traditional reinforcing bar foot nail that the present invention is used for a large amount of present situations, using existing installation through-hole, by the present invention
Limiting plate and U-shaped foot nail conveniently and efficiently can be installed on steel tower steelframe, compare traditional reinforcing bar foot nail, will not revolve
Turn, transformation easily, is not in that the single cylindrical foot of similar present situation is followed closely when operating personnel is held by hand holding or trampling stress with foot
The autorotation phenomenon that may occur, greatly improves the safety of traditional steel tower climbing and the reliability of foot nail, and improvement cost is low, this
The characteristics of invention also has simple structure, low cost；
（3）The foot nail of the present invention is made as U-shaped, and its end is vertically arranged on the steelframe of steel tower, is stepping on tower process
In, its blind end provides reliable hanging point for seat belt hanger and foot or the Protective fastener of safety strap hanger can be prevented to slide laterally off；
And when foot occurs to skid, the closing side section that U-shaped foot nail is formed with tower material of iron tower is contacted with instep and can stop which slides；
In addition, U-shaped foot nail is firmly connected with steelframe by an end of opening, another end is spacing by limiting plate, two
Port due to limiting plate spacing after, when non-destructive load is carried, both sides will not occur bending and deformation because of stress and rotate, and increase
Strong safety and reliability；U-shaped foot pin structure is simple, cost of manufacture is relatively low, and only needs once mounting；
（4）In pressure（Step on tower personnel body weight+power of the pedal when foot is nailed on）In the case of constant, the thing that surface contacts with each other
Body（Shoes are followed closely with steel foot）Between coefficient of friction except by made into objects material（The coefficient of friction of rubber and iron and steel is 0.5 ~ 0.8
Between）Outside determining, also affected by the degree of roughness of contact surface, the longitudinal screw or dot matrix annular knurl on U-shaped foot nail surface can increase foot nail
The degree of roughness on surface, so as to increase the frictional force of operating personnel's shoes and foot nail, reduces slip probability；
（5）In operation overall process when shifting on the upper and lower steel tower or tower, operating personnel can be left by seat belt（Or it is right）The extension of side
Hook, alternately button be linked into in seat belt the same side " frame portion that U-shaped foot nail is formed with tower material ", and can protect when body is moved
Always button is hung in U-shaped foot nail frame portion with side hook to hold safety, guarantees that construction operation personnel are all the time in operation process with this
The protection of seat belt will not be lost；
（6）The present invention follows closely three frame portions to be formed using U-shaped foot, selects arbitrary foot that grips to follow closely, and foot is put in during climbing
Foot follows closely inframe, compares single foot nail, and selectivity is more, and can cancel job personnel when climbing because single foot was followed closely rare and grabbed
Hold that mode is single, foot ensures sex chromosome mosaicism without psychological security caused by fixing without on-slip, greatly improve operating personnel upper and lower and
Security when shifting on tower, in addition U-shaped foot follow closely three frame portions to be formed and make upper and lower climbing and on steel tower during shift position
Overall process, can be effectively obtained the anti-fall tower that formed between the closing hanging point that seat belt and hook and foot nail frame portion are provided and protect
Shield.
（7）The present invention is inserted in the pin-and-hole of end two by locking pin, can play a part of Anti-extrusion to end two,
Groove is set and can play that mounting structure is compacter, and groove can also play and improve end two and be abutted against the firm of through hole at limiting plate
Property and intensity, improve anti-rotation and anti-bending performance, in addition two tight abutment of end can greatly improve end and receive on steelframe surface
To non-deformability and the frictional force with steelframe surface during downward load, so as to greatly improve the bearing capacity of U-shaped foot nail,
It is further ensured that connection reliability and safety.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the limiting plate cross-sectional view of the present invention；
Fig. 3 is the limiting plate forward sight structural representation of the present invention；
Fig. 4 is the structural representation of the U-shaped foot nail using annular knurl of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described further to the present invention.
Embodiment：As Figure 1-Figure 4, the U-shaped foot nail of a kind of iron tower falling-proof, including U-shaped foot nail 1 and limiting plate 2, U-shaped
Foot nail 1 is arranged on the steelframe 3 of steel tower, and the end 1 of its opening is fixedly connected with steelframe 3, the end 25 of opening with limit
Position 2 bottom of plate connects, and both ends are vertically arranged, and 2 top of limiting plate through end 1 and is close to be fixedly connected on steelframe 3,
Bottom dorsal part is provided with the stopper slot 6 being fastened on steelframe 3.
Preferably, 3 wallboard of steelframe and limiting plate 2 are converged by double nut 7 after penetrating 3 wallboard of steelframe in above-mentioned end 1
Fastening, easy to loading and unloading quick, connection is reliable.
Preferably, pad 8 is provided with the pincer attack of above-mentioned double nut 73 wallboard of steelframe, further improve connection reliability, pad
Piece 8 can greatly improve connection reliability using spring washer, prevent from loosening, and structure is compacter.
Preferably, above-mentioned end 25 penetrates that spacing by locking pin 9 after limiting plate 2 and tight abutment is on 3 surface of steelframe
On, limiting plate 2 arranges fluted 10, and locking pin 9 is placed in groove 10, is inserted in the pin-and-hole of end 25 by locking pin, energy
Enough play a part of slip-off preventing to end two, arranging groove, can to play mounting structure compacter, and groove can also be played and be carried
The rigidity and intensity of through hole at limiting plate is abutted against in high end two, improves anti-rotation and anti-bending reliability, and in addition end 25 is tight
It is resisted against 3 surface of steelframe, end can be greatly improved by non-deformability during downward load and rubbed with steelframe surface
Power, so that greatly improve the bearing capacity of U-shaped foot nail.
Preferably, above-mentioned U-shaped foot nail 1 is made using screw-thread steel bending or is made or adopted using the steel bar of surface knurling
The steel pipe bending of surface knurling is made, and screw-thread steel makes simply, and low cost, steel pipe are lightweight, and handling is convenient, makes letter
Single, the screw thread and annular knurl of screw thread steel surface increase its frictional force with sole, reduce the probability of foot's slide anteroposterior, so as to
The safety of climbing greatly improved.
Preferably, above-mentioned stopper slot 6 is formed by 2 both sides extension of bending limiting plate, makes simple, low manufacture cost,
Integral production, rigidity and intensity height, the adjustment that stopper slot bending width is made to be adapted according to the design requirement of iron tower main material.
Preferably, 2 whole dorsal part of above-mentioned limiting plate is arranged to stopper slot 6, further improves spacing reliability and stability,
With reference to shown in Fig. 4.
Embodiment 2：A kind of using method of the U-shaped foot nail of iron tower falling-proof, the method are comprised the following steps：
（1）By U-shaped foot nail on the D lower limbs of the right main material of steel tower, start to tower top 0.5 from about 1.5 meters in the plane of basis top
At rice, alternately install in the right angle angle steel both sides of a main material, exist per the horizontal vertical spacing between two secondary adjacent feet nail downsides
0.45 meter；
（2）U-shaped foot is articulated to using the seat belt hanger of catching device to follow closely in the frame portion to be formed, and free-hand three frames to be formed is followed closely from foot
Portion selects to follow closely while gripping foot, and after foot is followed closely, moves by both hands arm strength and legs and feet strength,
Cross-reference seat belt left and right sides hook is climbed；
（3）Until climbing is to steel tower specified location.
Embodiment 3：A kind of using method of the U-shaped foot nail of iron tower falling-proof, the method are comprised the following steps：
（1）Single for tradition cylindrical steel tower foot nail is removed；
（2）U-shaped foot is nailed on portion threaded openings end and is inserted in nut and pad；
（3）By the upper through-hole of steel limiting plate through U-shaped foot follow closely upper, open end, upper through-hole be U-shaped foot nail diameter+
0.5mm, on the upside of limiting plate, both sides are made downwards right-angle bending at each 50mm and form stopper slot, and stopper slot is used for the main material for being clipped in steel tower
Angle steel；
（4）Convex, i.e. rear channel are set on the downside of limiting plate, in convex, are provided with spacing hole, spacing hole be U-shaped foot nail diameter+
0.5mm, convex protrude limiting plate front surface plane 8mm；
（5）The top threaded openings end that the U-shaped foot for putting on limiting plate is followed closely is penetrated steel tower original foot nail；
（6）Treat U-shaped foot nail downside insertion clamping plate convex spacing hole and insert locking pin and and stopper slot is engaged on angle steel
Afterwards, a whole set of U-shaped foot nail is locked in two lateral edges of tower material angle steel one side plane with antitheft nut shimming；
（7）During use, U-shaped foot is articulated to using the seat belt hanger of catching device and is followed closely in the frame portion to be formed, free-hand follow closely to be formed from foot
Three frame portions select to grip on one side foot nail, and after foot is followed closely, by both hands arm strength and legs and feet strength
Move, cross-reference seat belt left and right sides hook is climbed；
（8）Until climbing is to steel tower specified location.
It is in downside that U-shaped foot follows closely main load position；16mm diameters, the upside bolt of 4.8 grades of shearing resistance（Horizontal thread with
Nut mating portions）, maximum load capacity is 9.36kN（About 955kg）.When there is pendant tower, with M16X（2X215+120）Specification
Calculate with following parameter：(1) body weight is averagely based on 80kg/ people,（2）Height below human body waist and seat belt one side length
It is respectively 1 meter；Consideration is in the range of 2 meters（The maximum displacement that may change）The acceleration of gravity of generation is 2m/s2.According to T=G+ma
Calculate T=2.352kN.Plus after leverage（120mm：60mm）, ignore the factors such as seat belt hanger thickness, when generation human body
During pendant tower, by seat belt, on the downside of foot is followed closely, issuable moment maximum pull is about 4.704kN（About 480kg）；Therefore, foot
Nail downside and upside minimum diameter are satisfied by anti-fall pulling tension requirements for the bearing capacity of the foot oncomelania bolt of 16mm.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention, therefore, protection scope of the present invention should be defined by the scope of the claims.
Claims (9)
1. a kind of U-shaped foot of iron tower falling-proof is followed closely, it is characterised in that：Follow closely including U-shaped foot（1）And limiting plate（2）, U-shaped foot nail（1）If
Put the steelframe in steel tower（3）On, the end one of its opening（4）With steelframe（3）It is fixedly connected, the end two of opening（5）With
Limiting plate（2）Bottom connects, and both ends are vertically arranged, limiting plate（2）Top passes through end one（4）And be close to be fixedly connected on
Steelframe（3）On, bottom dorsal part is provided with and is fastened on steelframe（3）On stopper slot（6）.
2. a kind of U-shaped foot of iron tower falling-proof according to claim 1 is followed closely, it is characterised in that：End one（4）Penetrate steelframe
（3）Pass through double nut after wallboard（7）Converge the steelframe（3）Wallboard and limiting plate（2）Fastening.
3. a kind of U-shaped foot of iron tower falling-proof according to claim 2 is followed closely, it is characterised in that：Double nut（7）Pincer attack steelframe
（3）Pad is provided with wallboard（8）.
4. a kind of U-shaped foot of iron tower falling-proof according to claim 1 is followed closely, it is characterised in that：End two（5）Penetrate limiting plate
（2）Pass through locking pin afterwards（9）Spacing and tight abutment is in steelframe（3）On surface, limiting plate（2）Arrange fluted（10）, locking
Pin（9）It is placed in groove（10）Interior.
5. a kind of U-shaped foot of iron tower falling-proof according to claim 1 is followed closely, it is characterised in that：U-shaped foot is followed closely（1）Using screw thread
Steel bending is made or is made or made using the steel pipe bending of surface knurling using the steel bar of surface knurling.
6. a kind of U-shaped foot of iron tower falling-proof according to claim 1 is followed closely, it is characterised in that：Stopper slot（6）Limited by bending
Position plate（2）Both sides extension is formed.
7. a kind of U-shaped foot of iron tower falling-proof according to claim 1 is followed closely, it is characterised in that：Limiting plate（2）Whole dorsal part sets
It is set to stopper slot（6）.
8. according to a kind of using method of the U-shaped foot of claim 1-7 arbitrary described iron tower falling-proof nail, it is characterised in that：Should
Method is comprised the following steps：
（1）By U-shaped foot nail on the D lower limbs of the right main material of steel tower, start to tower top 0.5 from about 1.5 meters in the plane of basis top
At rice, alternately install in the right angle angle steel both sides of a main material, exist per the horizontal vertical spacing between two secondary adjacent feet nail downsides
0.45 meter；
（2）U-shaped foot is articulated to using seat belt hanger to follow closely in the frame portion to be formed, free-hand three frame portions to be formed of following closely from foot select one
While gripping foot nail, and after foot is followed closely, move by both hands arm strength and legs and feet strength, cross-reference
Seat belt left and right sides hook is climbed；
（3）Until climbing is to steel tower specified location.
9. according to a kind of using method of the U-shaped foot of claim 1-7 arbitrary described iron tower falling-proof nail, it is characterised in that：Should
Method is comprised the following steps：
（1）Single for tradition cylindrical steel tower foot nail is removed；
（2）U-shaped foot is nailed on portion threaded openings end and is inserted in nut and pad；
（3）By the upper through-hole of steel limiting plate through U-shaped foot follow closely upper, open end, upper through-hole be U-shaped foot nail diameter+
0.5mm, on the upside of limiting plate, both sides are made downwards right-angle bending at each 50mm and form stopper slot, and stopper slot is used for the main material for being clipped in steel tower
Angle steel both sides；
（4）Convex, i.e. rear channel are set on the downside of limiting plate, in convex, are provided with spacing hole, spacing hole be U-shaped foot nail diameter+
0.5mm, convex protrude limiting plate front surface plane 8mm；
（5）The top threaded openings end that the U-shaped foot for putting on limiting plate is followed closely is penetrated steel tower original foot nail；
（6）Treat U-shaped foot nail downside insertion clamping plate convex spacing hole and insert locking pin and and stopper slot is engaged on angle steel
Afterwards, a whole set of U-shaped foot nail is locked in two lateral edges of tower material angle steel one side plane with antitheft nut shimming；
（7）During use, U-shaped foot is articulated to using seat belt hanger and is followed closely in the frame portion to be formed, free-hand three frames to be formed are followed closely from foot
Portion selects to follow closely while gripping foot, and after foot is followed closely, moves by both hands arm strength and legs and feet strength,
Cross-reference seat belt left and right sides hook is climbed；
（8）Until climbing is to steel tower specified location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610960645.9A CN106499332B (en) | 2016-10-28 | 2016-10-28 | The U-shaped foot nail and its application method of a kind of iron tower falling-proof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610960645.9A CN106499332B (en) | 2016-10-28 | 2016-10-28 | The U-shaped foot nail and its application method of a kind of iron tower falling-proof |
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| Publication Number | Publication Date |
|---|---|
| CN106499332A true CN106499332A (en) | 2017-03-15 |
| CN106499332B CN106499332B (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401372A (en) * | 2017-09-01 | 2017-11-28 | 贵州电网有限责任公司 | A kind of angle steel tower climbing device |
| CN107401371A (en) * | 2017-09-01 | 2017-11-28 | 贵州电网有限责任公司 | A kind of steel pipe tower climbing device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6171637U (en) * | 1984-10-15 | 1986-05-15 | ||
| CN201687385U (en) * | 2010-04-06 | 2010-12-29 | 温州泰昌铁塔制造有限公司 | Foot pin of power transmission tower |
| CN202215145U (en) * | 2011-06-30 | 2012-05-09 | 浙江杭萧钢构股份有限公司 | Outdoor crawling ladder special for steel structure |
| CN206158562U (en) * | 2016-10-28 | 2017-05-10 | 贵州电网有限责任公司贵阳供电局 | Iron tower is prevented U -shaped foot that weighs down and is followed closely |
-
2016
- 2016-10-28 CN CN201610960645.9A patent/CN106499332B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6171637U (en) * | 1984-10-15 | 1986-05-15 | ||
| CN201687385U (en) * | 2010-04-06 | 2010-12-29 | 温州泰昌铁塔制造有限公司 | Foot pin of power transmission tower |
| CN202215145U (en) * | 2011-06-30 | 2012-05-09 | 浙江杭萧钢构股份有限公司 | Outdoor crawling ladder special for steel structure |
| CN206158562U (en) * | 2016-10-28 | 2017-05-10 | 贵州电网有限责任公司贵阳供电局 | Iron tower is prevented U -shaped foot that weighs down and is followed closely |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401372A (en) * | 2017-09-01 | 2017-11-28 | 贵州电网有限责任公司 | A kind of angle steel tower climbing device |
| CN107401371A (en) * | 2017-09-01 | 2017-11-28 | 贵州电网有限责任公司 | A kind of steel pipe tower climbing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106499332B (en) | 2018-06-01 |
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