CN211314087U - Telescopic roofing cat ladder - Google Patents
Telescopic roofing cat ladder Download PDFInfo
- Publication number
- CN211314087U CN211314087U CN201921131010.3U CN201921131010U CN211314087U CN 211314087 U CN211314087 U CN 211314087U CN 201921131010 U CN201921131010 U CN 201921131010U CN 211314087 U CN211314087 U CN 211314087U
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- ladder
- section
- climbing
- telescopic
- ladder section
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Abstract
The utility model discloses a telescopic roofing cat ladder, include: the fixed ladder is fixedly connected to a wall body and comprises a vertical ladder section and an inclined ladder section, wherein the vertical ladder section is positioned above the inclined ladder section and is connected with the inclined ladder section in a welding mode; and the extension ladder is connected in the inclined ladder section in a sliding manner, is provided with a climbing position which stretches out downwards and is abutted to the ground and a contraction position which retracts into the inclined ladder section upwards, wherein the vertical ladder section and the inclined ladder section are provided with the protective ring at intervals, and the extension ladder is fixed in a limiting manner through the bolt when being positioned at the climbing position and the contraction position. The utility model discloses not the time spent at ordinary times can upwards pack up the extension ladder, can prevent that children from climbing, has stopped the potential safety hazard, can put down the extension ladder when operation personnel operation to the climbing, in addition, compare in traditional tilting cat ladder, occupation space is littleer, and stability is better, and is more firm with being connected of wall body, and the possibility that appears rocking after long-term the use is lower, and safety protection performance is higher.
Description
Technical Field
The utility model relates to a cat ladder for engineering building specifically is a telescopic roofing cat ladder.
Background
At the top of some buildings such as water tower, hydraulic engineering, house, have some roofing and do not have the stair and can reach, in order to go up to these roofing and overhaul or other operations, need set up the outer wall cat ladder.
After the outer wall cat ladder was set up, often there is not personnel to watch, so, children and some idle and miscellaneous personages may go up the top of building through the cat ladder, and is very dangerous, causes the accident of falling from the building easily.
In order to avoid the phenomenon, most of the existing crawling ladders keep a certain distance between the bottom end of the crawling ladder and the ground so as to prevent children or people in leisure from climbing, but in this way, when an operator needs to go to the top of a building, the operator needs to use auxiliary tools such as a hanging ladder or a bench, and the operation is very inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a telescopic roofing cat ladder to when making things convenient for the operation personnel to scramble, can prevent that children from scrambleing.
Therefore, the utility model adopts the following technical scheme:
a telescoping roof ladder comprising: the fixed ladder is fixedly connected to a wall body and comprises a vertical ladder section and an inclined ladder section, wherein the vertical ladder section is positioned above the inclined ladder section and is connected with the inclined ladder section in a welding mode; and the extension ladder is connected in sliding in the slope bench, has downwardly extending and contradicts in the climbing position on ground and upwards withdraw in the contraction site in the slope bench, wherein, be equipped with the guard ring on vertical bench and the slope bench at interval, the extension ladder is all through the spacing fixed of bolt when being in climbing position and contraction site.
Further, vertical bench includes two first terraces and a plurality of first horizontal poles that are used for the climbing, the slope bench includes two second terraces and a plurality of second horizontal poles that are used for the climbing, the extension ladder includes two third terraces and a plurality of third horizontal poles that are used for the climbing, wherein, the second terraces is channel-section steel spare, the third terraces is the rectangle pipe fitting, two third terraces are in the notch of two second terraces respectively to form the connection of sliding.
Furthermore, the third cross rod is connected to the middle position of the side face of the third ladder post, and the second cross rod is connected to the back of the second ladder post, so that the third cross rod and the second cross rod are prevented from interfering when the extension ladder contracts.
Furthermore, the lower extreme of two second terraced posts all is equipped with the bolt hole, the upper end of two third terraced posts all be equipped with bolt hole complex first fixed orifices, the lower extreme of two third terraced posts all is equipped with bolt hole complex second fixed orifices, the bolt is equipped with two, the bolt realizes when inserting bolt hole and first fixed orifices simultaneously the extension ladder is in the spacing of climbing position fixed, the bolt realizes when inserting bolt hole and second fixed orifices simultaneously the extension ladder is in the spacing of constriction position fixed.
Further, the bolt is hung on the second ladder column.
Furthermore, the bottom of the third ladder column is provided with a horizontal ground foot.
Furthermore, the telescopic roof ladder stand also comprises two handrail frames which are placed at the top of the wall body.
Furthermore, the telescopic roof crawling ladder further comprises a supporting beam for supporting the inclined ladder section, wherein one end of the supporting beam is fixedly connected with the second ladder column, and the other end of the supporting beam is fixedly connected with the wall body.
The utility model discloses following technological effect has:
(1) the utility model discloses in be equipped with the extension ladder that can stretch out and draw back from top to bottom, not the time spent at ordinary times can with the extension ladder upwards packs up to through the spacing fixed of bolt, can prevent that children from scrambleing, stopped the potential safety hazard, can with when the operation personnel operation the extension ladder puts down, so that the climbing has simple structure, convenient operation, the high characteristics of security.
(2) The welding of vertical bench and slope bench has the guard circle at interval, can enclose synthetic confined climbing region between vertical bench, slope bench and the guard circle, when being convenient for the climbing, strengthened the protection to the operation personnel.
(3) The utility model provides a fixed ladder is including linking firmly in the vertical bench on wall body upper portion and the slope bench of locating the wall body lower part, the utility model discloses in because the setting of vertical bench is compared in traditional tilting cat ladder, and occupation space is littleer, and stability is better, and is more firm with the being connected of wall body, and the possibility that appears rocking after long-term the use is lower.
(4) Second ladder post in the slope bench is channel steel spare, third ladder post in the extension ladder is the rectangle pipe fitting, forms the connection of sliding through placing two third ladder posts respectively in the notch of two second ladder posts, when simple structure, the preparation of being convenient for, it is with low costs.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a retractable roof ladder according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 shows a using state of the retractable roof ladder stand when climbing according to an embodiment of the invention; and
fig. 4 shows a retractable roof ladder according to an embodiment of the present invention in a retracted state when retracted.
Description of the reference numerals
1. Fixing the ladder; 11. A vertical bench section;
111. a first ladder column; 112. A first cross bar;
12. inclining the ladder section; 121. A second ladder post;
122. a second cross bar; 2. An extension ladder;
21. a third ladder column; 22. A third cross bar;
3. a bolt; 4. Horizontal ground feet;
5. a handrail frame; 6. A guard ring;
7. a support beam; 100. A wall body.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 4, the retractable roof ladder of the present invention includes a fixed ladder 1 fixedly connected to a wall 100 and a retractable ladder 2 capable of extending and retracting.
The fixed ladder 1 comprises a vertical ladder section 11 and an inclined ladder section 12, wherein the vertical ladder section 11 is located above the inclined ladder section 12 and is connected with the inclined ladder section 12 in a welded mode, the top of the vertical ladder section 11 is flush with the top of the wall body 100, and the vertical ladder section 11 is fixedly connected to an embedded plate of the wall body 100 through bolts.
As shown in fig. 1 to 4, a plurality of guard rings 6 are welded on the vertical ladder section 11 and the inclined ladder section 12 at intervals, and a closed climbing area can be enclosed among the vertical ladder section 11, the inclined ladder section 12 and the guard rings 6, so that the climbing is facilitated, and the protection of operators is enhanced. The guard ring 6 can be in a semicircular shape or a semi-rectangular shape.
Specifically, as shown in fig. 1 to 4, the vertical ladder section 11 includes two first ladder posts 111 arranged in parallel and a plurality of first cross bars 112 welded between the two first ladder posts 111 and used for climbing, the plurality of first cross bars 112 are arranged at intervals up and down and welded on the side surfaces of the first ladder posts 111, and both the first ladder posts 111 and the first cross bars 112 can be made of rectangular steel pipes.
The inclined ladder section 12 comprises two second ladder posts 121 arranged in parallel and a plurality of second cross rods 122 welded between the two second ladder posts 121 and used for climbing, the second cross rods 122 are arranged at intervals up and down and welded on the back or the front side of the second ladder posts 121, the second ladder posts 121 are [ shaped channel steel parts ], and the second cross rods 122 are rectangular steel pipe parts.
The third cross bar 22 is welded at the middle position of the side surface of the third ladder post 21, and the second cross bar 122 is welded at the back or the front side surface of the second ladder post 121, so that the third cross bar 22 and the second cross bar 122 are arranged in a staggered manner, and thus the interference between the third cross bar 22 and the second cross bar 122 when the extension ladder 2 is contracted can be avoided, and the extension ladder 2 can be smoothly folded.
As shown in fig. 1 to 4, the telescopic roof ladder further comprises a plurality of support beams 7 for supporting the inclined ladder sections 12, the support beams 7 are arranged to enhance the safety of the inclined ladder sections 12, wherein one end of each support beam 7 is connected with the second ladder post 121 in a welding manner, and the other end of each support beam 7 is fixedly connected with the wall 100 through bolts.
The lower extreme of two second terraced posts 121 all is equipped with the bolt hole, the upper end of two third terraced posts 21 all is equipped with the first fixed orifices with bolt hole complex, the lower extreme of two third terraced posts 21 all is equipped with the second fixed orifices with bolt hole complex, bolt 3 is equipped with two, realize when bolt 3 inserts bolt hole and first fixed orifices simultaneously that extension ladder 2 is in the spacing of climbing position, realize when bolt 3 inserts bolt hole and second fixed orifices simultaneously that extension ladder 2 is in the spacing of constriction position.
The utility model discloses a bolt carries out spacing fixed to the position of extension ladder, simple structure, convenient operation, and fixed extension ladder can ensure stability and the security that the operation personnel climbed in the climbing position, and fixed extension ladder is then in the constriction position to avoid the extension ladder to receive the influence of gravity and slide down, provides the powerful guarantee for preventing that children from carrying out the purpose of climbing.
The utility model discloses in be equipped with the extension ladder that can stretch out and draw back from top to bottom, not the time spent at ordinary times can with the extension ladder upwards packs up to through the spacing fixed of bolt, can prevent that children from scrambleing, stopped the potential safety hazard, can with when the operation personnel operation the extension ladder puts down, so that the climbing has simple structure, convenient operation, the high characteristics of security.
The utility model provides a fixed ladder is including linking firmly in the vertical bench on wall body upper portion and the slope bench of locating the wall body lower part, the utility model discloses in because the setting of vertical bench is compared in traditional tilting cat ladder, and occupation space is littleer, and stability is better, and is more firm with being connected of wall body, and the possibility that appears rocking after long-term the use is lower, and the security performance is better.
The second ladder post in the slope bench is [ type channel steel spare, the third ladder post in the extension ladder is rectangle steel pipe spare, forms the connection of sliding through putting two third ladder posts respectively in the notch of two second ladder posts, and simple structure is the preparation of being convenient for, and is with low costs.
In an embodiment, a hanging lug is welded on the second ladder post 121, and the plug 3 is fastened on the hanging lug of the second ladder post 121 through a rope or a hanging chain, so that the operation is convenient, and the plug 3 can be prevented from being lost.
The bottom welding of third ladder post 21 has the horizontal lower margin 4 that is used for conflicting with the ground level, horizontal lower margin 4 has increased the area of contact with ground to can strengthen the stability of extension ladder 2 when the climbing, it has the rubber pad that is used for skid-proof still to bond on the horizontal lower margin 4.
The telescopic roof ladder stand further comprises two handrail frames 5 which are placed at the top of the wall 100 to facilitate an operator to get on or off the roof, and the two handrail frames 5 are respectively welded with the two first ladder posts 111 and are fixedly connected with the top of the wall 100 through bolts.
The utility model discloses application scope is wide, can be according to different roofing form customizations, and the convenience is high, and is easy and simple to handle during the use, sturdy and durable, safe and reliable.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A telescopic roofing cat ladder which characterized in that includes:
the fixed ladder (1) is fixedly connected to a wall body (100) and comprises a vertical ladder section (11) and an inclined ladder section (12), wherein the vertical ladder section (11) is positioned above the inclined ladder section (12) and is connected with the inclined ladder section (12) in a welding mode; and
an extension ladder (2) slidably connected in the inclined ladder section (12) and having a climbing position projecting downwards and abutting against the ground and a retracted position retracted upwards in the inclined ladder section (12),
wherein, be equipped with guard ring (6) on vertical bench (11) and slope bench (12) at interval, all fix through bolt (3) are spacing when extension ladder (2) are in climbing position and contraction position.
2. Telescopic roof ladder according to claim 1, wherein the vertical ladder section (11) comprises two first ladder legs (111) and a number of first cross bars (112) for climbing, wherein the inclined ladder section (12) comprises two second ladder legs (121) and a number of second cross bars (122) for climbing, wherein the telescopic ladder (2) comprises two third ladder legs (21) and a number of third cross bars (22) for climbing, wherein the second ladder legs (121) are channel steel parts and the third ladder legs (21) are rectangular tube parts, and wherein the two third ladder legs (21) are in the notches of the two second ladder legs (121) respectively to form a sliding connection.
3. The telescopic roof ladder as claimed in claim 2, characterised in that the third crossbar (22) is attached to the side of the third ladder leg (21) in a central position and the second crossbar (122) is attached to the back of the second ladder leg (121) to avoid interference between the third crossbar (22) and the second crossbar (122) when the ladder (2) is retracted.
4. The telescopic roof ladder as claimed in claim 2, wherein the lower ends of the two second ladder posts (121) are provided with pin holes, the upper ends of the two third ladder posts (21) are provided with first fixing holes matched with the pin holes, the lower ends of the two third ladder posts (21) are provided with second fixing holes matched with the pin holes, two pins (3) are provided, when the pins (3) are simultaneously inserted into the pin holes and the first fixing holes, the telescopic ladder (2) is limited and fixed in a climbing position, and when the pins (3) are simultaneously inserted into the pin holes and the second fixing holes, the telescopic ladder (2) is limited and fixed in a contraction position.
5. Telescopic roof ladder according to claim 4, wherein the bolt (3) is suspended from the second ladder column (121).
6. Telescopic roof ladder according to claim 2, wherein the bottom of the third ladder leg (21) is provided with a horizontal foot (4).
7. Telescopic roof ladder according to claim 2, further comprising two handrail frames (5) intended to be placed on top of the wall (100).
8. The telescopic roof ladder of claim 2, further comprising a support beam (7) for supporting the inclined ladder section (12), wherein the support beam (7) is secured at one end to the second ladder leg (121) and at the other end to the wall (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921131010.3U CN211314087U (en) | 2019-07-18 | 2019-07-18 | Telescopic roofing cat ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921131010.3U CN211314087U (en) | 2019-07-18 | 2019-07-18 | Telescopic roofing cat ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211314087U true CN211314087U (en) | 2020-08-21 |
Family
ID=72081168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921131010.3U Expired - Fee Related CN211314087U (en) | 2019-07-18 | 2019-07-18 | Telescopic roofing cat ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211314087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382399A (en) * | 2022-01-28 | 2022-04-22 | 徐州徐工矿业机械有限公司 | Extension ladder with limiting locking mechanism and engineering machinery |
-
2019
- 2019-07-18 CN CN201921131010.3U patent/CN211314087U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382399A (en) * | 2022-01-28 | 2022-04-22 | 徐州徐工矿业机械有限公司 | Extension ladder with limiting locking mechanism and engineering machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200821 |