CN101852063B - Maintenance-free hidden ladder for tower mast - Google Patents
Maintenance-free hidden ladder for tower mast Download PDFInfo
- Publication number
- CN101852063B CN101852063B CN2010102099066A CN201010209906A CN101852063B CN 101852063 B CN101852063 B CN 101852063B CN 2010102099066 A CN2010102099066 A CN 2010102099066A CN 201010209906 A CN201010209906 A CN 201010209906A CN 101852063 B CN101852063 B CN 101852063B
- Authority
- CN
- China
- Prior art keywords
- channel
- maintenance
- limit
- section steel
- step nail
- 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
Links
Images
Landscapes
- Ladders (AREA)
Abstract
The invention discloses a maintenance-free hidden ladder for a tower mast, which comprises a channel steel, a sliding tube and a step nail, wherein the inner end of the step nail is convex; the cross section of the channel steel is concave, the channel steel is fixedly arranged along the height direction of a tower body, the homodromous sliding tube is embedded into a notch of the channel steel, and the sliding tube can slide along the channel steel; a plurality of limit sheets are fixed on the outside wall of the sliding tube in equal distance, the longitudinal section of the limit sheet is cambered, a limit groove is formed on the middle part of the limit sheet, the limit groove passes through the inner end of the step nail, and the outside diameter of the inner end of the step nail is greater than the width of the limit groove; the arc mouth orientations of the upper and lower adjacent limit sheets are opposite; the exterior corresponding to the inner end of the step nail is provided with a limit track, the limit track is fixed on the sliding tube, the longitudinal section of the limit track is cambered, and the inner cambered surface of the limit track is an inner end sliding track of the step nail; and a limit plate is fixedly arranged on the channel steel corresponding to the arc mouth orientation of the limit sheet. The maintenance-free hidden ladder for the tower mast adopts a track type structure, so the space occupied by the tower body is not enlarged.
Description
Technical field
The invention belongs to the attached member manufacturing technology field of tower mast, be applicable to external climbing steel structure pipe tower.
Background technology
Along with the fast development of modern communications technology, the application of communications tower more and more widely, the technology of communications tower also constantly the development.
Cat ladder is a requisite attached member in the communications tower structure, and when overhauling and safeguarding communications tower, operating personnel, operate to corresponding tower body position accordingly by the cat ladder climbing.The cat ladder structure of communications tower is divided into the built-in and external climbing two big classes of tower body at present.But all there are weak point in existing built-in cat ladder and external climbing cat ladder.Built-in cat ladder requires the tower body caliber to leave the operating personnel climbing of enough big space with convenient different builds, so just can cause the volume of whole tower body very big, takes up space greatly, cost is also high.China Patent No. ZL200710068551.1 discloses a kind of triangular communication tower, though this patented technology scheme has its advantage, for the cat ladder structure, still has above-mentioned technical problem.And the external climbing cat ladder generally adopts centipede ladder structure, and this structure impacts the profile of whole tower body, makes the contour structures of tower body complicated and not attractive in appearance.China Patent No. ZL03255784.1 discloses a kind of external climbing single-pipe tower, though this patented technology scheme has its advantage, but, because its step fourth is articulated on the movable rod, and the external force that pin joint can bear is less, intensity is low, easy fracture, cause component fragile, application life is short, and mechanical breakdown in use easily takes place; In addition, the telescopic movable of its step fourth is dumb.
Summary of the invention
In order to solve the above-mentioned technical problem that existing cat ladder structure exists, the invention discloses a kind of maintenance-free hidden ladder for tower mast.
In order to reach above-mentioned technical purpose, the present invention takes following technical scheme: maintenance-free hidden ladder for tower mast, and it comprises channel-section steel, sliding tube, step nail, the inner termination of step nail is outer gibbosity; The cross section of channel-section steel is spill, and channel-section steel is inserted sliding tube in the same way along the fixed installation of tower body short transverse in the notch of channel-section steel, and sliding tube can slide up and down along channel-section steel; The lateral wall of sliding tube is equidistantly fixed several banking stops, and the longitudinal section of banking stop is curved, and the middle part of banking stop forms stopper slot one, and stopper slot passes the inner of step nail, and the inner termination external diameter of step nail is greater than the stopper slot width; The nock of neighbouring banking stop is towards on the contrary; Follow closely the spacing track of inner corresponding outer setting with step, spacing track is fixed in sliding tube, and the longitudinal section of spacing track is curved, and the intrados of spacing track is the inner termination sliding rail of step nail; Fixedly mount limiting plate with the banking stop nock on corresponding channel-section steel, when the step nail was in deployed condition, step was followed closely limited plate resistance retaining, and the step nail is horizontal.
Described maintenance-free hidden ladder for tower mast, sliding tube adopts the hollow shape square tube.
Described maintenance-free hidden ladder for tower mast, channel-section steel adopt bolt or welding and are fixedly installed in tower body.
Described maintenance-free hidden ladder for tower mast, tower body fixedly mount several channel-section steels, and the notch of each channel-section steel forms the sliding tray along the tower body short transverse one; Corresponding with the sliding tray height of channel-section steel, many sliding tubes are set, the end-fitting place outer cover adapter sleeve of neighbouring sliding tube, adapter sleeve are fixedly linked by a bolt and the end that slides up and down pipe respectively.
Described maintenance-free hidden ladder for tower mast, the horizontal invagination in spacing track upper end also is fixedly linked with the upper edge of banking stop, and the lower end of spacing track extends to the below of banking stop lower end.
Described maintenance-free hidden ladder for tower mast, the upper edge of limiting plate has breach, and this breach and step nail are suitable.
Described maintenance-free hidden ladder for tower mast, the step nail is cylindric or square shape.
Described maintenance-free hidden ladder for tower mast, the external end head shape spherical in shape of cylindric or square shape step nail, sphere diameter is followed closely external diameter greater than step.
Maintenance-free hidden ladder for tower mast of the present invention adopts the slideway type structure, contraction by step nail and open collecting state and the duty that realizes cat ladder, thereby do not influence the monnolithic case structure of tower body, and can not make taking up space of tower body become big, can satisfy the little caliber of building a station in present city, the requirement of external climbing pipe tower; And it is simple in structure, opens, hidden cat ladder ground operation is also easy.
The motion of its step nail of cat ladder of the present invention is carried out along slideway, does not have pin joint, and it bears external force by banking stop, the intensity height, and the long service life of component need not the component in its structure are keeped in repair, change in the useful life of tower mast.In addition, the telescopic movable of step nail carries out along slideway, and its telescopic movable is flexible.
Description of drawings
Fig. 1 is the structural representation of cat ladder open mode of the present invention.
Fig. 2 is the A portion enlarged drawing of Fig. 1.
Fig. 3 is the A portion transverse sectional view of Fig. 1.
Fig. 4 is the B portion enlarged drawing of Fig. 1.
Fig. 5 is the shaft side figure of cat ladder open mode of the present invention.
Fig. 6 is the C portion enlarged drawing of Fig. 5.
Fig. 7 is the structural representation of cat ladder closure state of the present invention.
Fig. 8 is the A portion enlarged drawing of Fig. 7.
Fig. 9 is the A portion transverse sectional view of Fig. 7.
Figure 10 is the B portion enlarged drawing of Fig. 7.
Figure 11 is the shaft side figure of cat ladder closure state of the present invention.
Figure 12 is the C portion enlarged drawing of Figure 11.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is elaborated.
Shown in Fig. 1-12, maintenance-free hidden ladder for tower mast of the present invention belongs to the external climbing structure, it comprises channel-section steel 1, square tube 2, step nail 6, the body of step nail 6 is a roundlet mast or a square pole, its external end head 61 shapes spherical in shape, sphere diameter is bigger than body, when step nail 6 launches, this sphere termination 61 can stop that operating personnel's sole is outwards sliding, to improve the safety of cat ladder; The lateral surface of its inner termination 62 is dome shape, and the edge external diameter is bigger than body.
The cross section of channel-section steel 1 is spill, and channel-section steel 1 is installed along tower body 9 short transverses of tower mast, can adopt modes such as bolt, welding to be fixedly installed in tower body 9.Insert hollow shape square tube 2 in the same way in the notch of channel-section steel 1, the notch of channel-section steel 1 vertically forms the sliding tray of square tube 2, and square tube 2 can slide up and down along channel-section steel 1.A small-sized jack is established in the lower end of square tube 2, and under the effect of this jack, square tube can upwards be slided.
Referring to Fig. 3, three lateral walls of square tube 3 are corresponding with three inwalls of channel-section steel 1, square tube 2 is not equidistantly fixed several banking stops 4 with channel-section steel 1 inwall opposite external side wall, as shown in Figure 2, the side of banking stop 4 is curved, and its middle part forms one stopper slot 41, and stopper slot 41 passes the inner termination 62 of step nail 6, the edge external diameter of inner termination 62 is greater than stopper slot 41 width, thereby step nail 6 can rotate along stopper slot 41 but can't break away from stopper slot 41.The nock of neighbouring banking stop 4 is towards opposite laying.
Follow closely the corresponding outside of 6 inner faces with step and fixedly mount spacing track 5, the side of spacing track 5 is roughly curved, the horizontal invagination in its upper end also is fixedly linked with the upper edge of banking stop 4, the lower end of spacing track 5 extends to the below of banking stop 4 lower ends, and the nock of spacing track 5 and banking stop 4 is towards identical.The intrados of spacing track 5 is the inner termination sliding rail of step nail 6.
On corresponding channel-section steel 1, fixedly mount spacing steel plate 3 with banking stop 4 nocks, the upper edge of this spacing steel plate 3 has breach, the external diameter of the size of this breach and step nail 6 is suitable, when step nail 6 outwards launches to be under the user mode, it is just inserted in the breach of banking stop 3 and is blocked, and it is 6 horizontal that step is followed closely.
In addition, according to the height needs of tower body 9, can increase the height of cat ladder by the quantity that increases channel-section steel 1 and square tube 2, the end of neighbouring channel-section steel 1 can be touched or the certain spacing of being separated by mutually; And neighbouring square tube 2 can be by the docking mode shape that is connected as a body, and referring to Fig. 4, touch mutually the end of neighbouring square tube 2, and joint outer cover adapter sleeve 7, adapter sleeve 7 are fixedly linked with the end of square tube 2 up and down respectively by bolt 91,92 respectively.
When opening hidden ladder, by the small-sized jack of operation setting in the tower body bottom, make the sliding tray upwards slip of square tube 2 along channel-section steel 1, driving all banking stops 4 and spacing track 5 together upwards slides, in this process, stopper slot 41 lower edges of the banking stop 4 top step nail 6 that makes progress, the inner termination 62 of step nail 6 is rotated along spacing track 5 arc inner walls, insert in the breach of banking stop 3 until step nail 6, and be stuck, step nail 6 is the level of state and (is holding state when working owing to the bottom jack at this moment, can guarantee that square tube 2 can not be to lower slider), hidden ladder is opened and in running order, and the maintainer can carry out inspection operation up and down by this cat ladder.After inspection operation finishes, square tube 2 along the sliding tray of channel-section steel 1 to lower slider, drive all banking stops 4 and spacing track 5 together to lower slider, in this process, downward top, the stopper slot 41 upper edges step nail 6 of banking stop 4, step nail 6 rotates along the arc inner wall of spacing track 5, is vertical state until step nail 6, and this moment, cat ladder was in hidden state.
More than the preferred embodiments of the present invention have been done detailed description; corresponding those of ordinary skill in the art and his speech; according to thought provided by the invention, the part that can change on the specific embodiment of the invention, range of application, these changes also should be considered as protection scope of the present invention.
Claims (8)
1. a maintenance-free hidden ladder for tower mast is characterized in that comprising channel-section steel, sliding tube, step nail, and the inner termination of step nail is outer gibbosity; The cross section of channel-section steel is spill, and channel-section steel is inserted sliding tube in the same way along the fixed installation of tower body short transverse in the notch of channel-section steel, and sliding tube can slide up and down along channel-section steel; The lateral wall of sliding tube is equidistantly fixed several banking stops, and the longitudinal section of banking stop is curved, and the middle part of banking stop forms stopper slot one, and stopper slot passes the inner of step nail, and the inner termination external diameter of step nail is greater than the stopper slot width; The nock of neighbouring banking stop is towards on the contrary;
Follow closely the spacing track of inner corresponding outer setting with step, spacing track is fixed in sliding tube, and the longitudinal section of spacing track is curved, and the intrados of spacing track is the inner termination sliding rail of step nail;
Fixedly mount limiting plate with the banking stop nock on corresponding channel-section steel, when the step nail was in deployed condition, step was followed closely limited plate resistance retaining, and the step nail is horizontal.
2. maintenance-free hidden ladder for tower mast as claimed in claim 1 is characterized in that: described sliding tube adopts the hollow shape square tube.
3. maintenance-free hidden ladder for tower mast as claimed in claim 1 is characterized in that: described channel-section steel adopts bolt or welding and is fixedly installed in tower body.
4. as claim 1 or 3 described maintenance-free hidden ladder for tower mast, it is characterized in that: described tower body fixedly mounts several channel-section steels, and the notch of each channel-section steel forms the sliding tray along the tower body short transverse one; Corresponding with the sliding tray height of channel-section steel, many sliding tubes are set, the end-fitting place outer cover adapter sleeve of neighbouring sliding tube, adapter sleeve are fixedly linked by a bolt and the end that slides up and down pipe respectively.
5. maintenance-free hidden ladder for tower mast as claimed in claim 1 is characterized in that: the horizontal invagination in described spacing track upper end also is fixedly linked with the upper edge of banking stop, and the lower end of spacing track extends to the below of banking stop lower end.
6. maintenance-free hidden ladder for tower mast as claimed in claim 1 is characterized in that: the upper edge of described limiting plate has breach, and this breach and step nail are suitable.
7. maintenance-free hidden ladder for tower mast as claimed in claim 1 is characterized in that: described step nail is cylindric or square shape.
8. maintenance-free hidden ladder for tower mast as claimed in claim 7 is characterized in that: the external end head shape spherical in shape of described cylindric or square shape step nail, sphere diameter is followed closely external diameter greater than step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102099066A CN101852063B (en) | 2010-06-25 | 2010-06-25 | Maintenance-free hidden ladder for tower mast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102099066A CN101852063B (en) | 2010-06-25 | 2010-06-25 | Maintenance-free hidden ladder for tower mast |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101852063A CN101852063A (en) | 2010-10-06 |
| CN101852063B true CN101852063B (en) | 2011-11-23 |
Family
ID=42803730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102099066A Expired - Fee Related CN101852063B (en) | 2010-06-25 | 2010-06-25 | Maintenance-free hidden ladder for tower mast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101852063B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644438B (en) * | 2012-05-09 | 2014-07-30 | 电联工程技术股份有限公司 | Concealed ladder stand |
| CN105569557B (en) * | 2015-12-23 | 2017-07-18 | 国网山东省电力公司日照供电公司 | A kind of electric pole for being easy to climbing to overhaul |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3816305A1 (en) * | 1988-05-13 | 1989-11-30 | Heinz Bissinger Behaelter Und | Back-protection means for a ladder |
| US6305497B1 (en) * | 1999-12-17 | 2001-10-23 | Steve J. Simon | Mast ladder assembly |
| US20040112676A1 (en) * | 2002-06-04 | 2004-06-17 | Skipper Timothy S. | Modular ladder including removable rungs |
| CN2632221Y (en) * | 2003-07-18 | 2004-08-11 | 陈国龙 | Outer arranged mono-pipe tower |
| CN2784510Y (en) * | 2005-03-11 | 2006-05-31 | 蒋演德 | Monotube tower with telescopic step nail and concealed outside flange |
| CN200943438Y (en) * | 2006-08-24 | 2007-09-05 | 浙江飞剑控股有限公司 | Dual-purpose device of pole tower safety band fastener guide rail and lifting rack |
| CN201738799U (en) * | 2010-06-25 | 2011-02-09 | 陈国龙 | Maintenance-free concealed ladder stand used for tower mast |
-
2010
- 2010-06-25 CN CN2010102099066A patent/CN101852063B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101852063A (en) | 2010-10-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201738799U (en) | Maintenance-free concealed ladder stand used for tower mast | |
| CN210273368U (en) | Easy-to-assemble and disassemble bridge structure for cable erection | |
| CN101852063B (en) | Maintenance-free hidden ladder for tower mast | |
| CN105569552A (en) | Automatic extension ladder | |
| CN209656354U (en) | A kind of gas spring formula depthkeeping pollution water/gas sampler | |
| CN210858630U (en) | A scour protection top tool string for wire operation in pit for highly deviated well | |
| CN102490908A (en) | Aircraft carrier barrier cable | |
| CN104564130A (en) | Anti-deformation fast escape tube | |
| CN215594477U (en) | Anticollision mechanism of building | |
| CN207602660U (en) | A kind of new-energy automobile on-vehicle battery antidetonation installs case | |
| CN211818805U (en) | Telescopic buried door shield | |
| CN205742017U (en) | Antirioting road barricades machine | |
| CN211340430U (en) | Temporary support device for segmental beam | |
| CN109594943A (en) | A kind of mechanical tension tubing anchor | |
| CN105064829B (en) | Fast disassembly type hinge for sliding window | |
| CN215213444U (en) | Cluster type fracturing sliding sleeve for horizontal well fracturing | |
| CN202628157U (en) | Automatic integrated interlocking device for air doors of coal mine | |
| CN209719356U (en) | Arm-rest frame easy to use | |
| CN205422118U (en) | Flexible cat ladder formula transmission tower | |
| RU166625U1 (en) | ICE PROTECTION DEVICE | |
| CN205370419U (en) | Automatic extension ladder | |
| CN217896310U (en) | Column type delineator convenient to disassemble | |
| CN210116291U (en) | Nib assembly block for marking pen | |
| CN109026102B (en) | Resin cartridge quick mounting gun for underground roof support of coal mine | |
| CN210622288U (en) | High formwork system based on BIM technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG HONGSHUN INDUSTRY CO., LTD. Free format text: FORMER OWNER: CHEN GUOLONG Effective date: 20110406 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 321400 ZHEJIANG HONGSHUN INDUSTRY CO., LTD., NO. 999, DINGHU ROAD, WUYUN TOWN, JINYUN COUNTY, LISHUI CITY, ZHEJIANG PROVINCE TO: 321400 GUANDIAN, WUYUN TOWN, JINYUN COUNTY, ZHEJIANG PROVINCE |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20110406 Address after: Shop 321400 Zhejiang County of Jinyun Province town of Wu Yun Applicant after: Zhejiang Hongshun Industry Co., Ltd., Address before: 321400 Dinghu Road, Zhejiang city of Lishui province Jinyun County town of Wu Yun No. 999 Zhejiang Hongshun Industry Co Ltd Applicant before: Chen Guolong |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20120625 |