CN215485826U - A lightweight cat ladder of hanging alive for in utility tunnel - Google Patents
A lightweight cat ladder of hanging alive for in utility tunnel Download PDFInfo
- Publication number
- CN215485826U CN215485826U CN202121153709.7U CN202121153709U CN215485826U CN 215485826 U CN215485826 U CN 215485826U CN 202121153709 U CN202121153709 U CN 202121153709U CN 215485826 U CN215485826 U CN 215485826U
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- Prior art keywords
- ladder
- rack
- gear
- compression spring
- hanging
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- 241000282326 Felis catus Species 0.000 title claims description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 230000009193 crawling Effects 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims description 23
- 238000007906 compression Methods 0.000 claims description 23
- 238000003466 welding Methods 0.000 claims description 17
- 239000011229 interlayer Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 7
- 239000010410 layer Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
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Abstract
The utility model discloses a portable movably-hung crawling ladder used in an underground comprehensive pipe gallery, which comprises a framework, hooks, steps, side plates and a base, wherein the framework is composed of 4 round steel with the diameter of 16mm, the side plates are welded between every two round steel at the side edges in the framework, the steps are welded in the middle of the corresponding side plates, the hooks are welded at the top ends of the framework, the hooks are reserved in the holes, clamping devices are arranged in the hooks, and the base is welded at the bottom end of the framework.
Description
Technical Field
The utility model relates to the field of crawling ladders, in particular to a portable movably-hung crawling ladder used in an underground comprehensive pipe gallery.
Background
In the middle of the inside cat ladder of existing piping lane, the cat ladder type mainly is the steel cat ladder and for fixed cat ladder, and when going up intermediate layer entrance to a cave in partial corridor, the cat ladder position often influences electromechanical device's hoist and mount and transportation, need demolish the cat ladder and carry out the transportation installation of equipment, and at this moment, intermediate layer entrance to a cave department does not have the cat ladder, and the workman is current about can't going on, and the construction is inconvenient. And the opening is not protected, so that the construction safety is influenced. Even if make movable cat ladder, also adopt band steel and round steel to continue the welding preparation, whole weight is heavier, alone unable light dismouting, can influence personnel's discrepancy piping lane under the emergency, causes the obstructed of personnel's passageway, and slides easily when one end is hung, and the use is felt not good.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art, and provides a portable type flexible hanging ladder stand used in an underground comprehensive pipe gallery.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a lightweight cat ladder of hanging alive for in utility tunnel, includes skeleton, couple, ladder, side board and base, the skeleton comprises 4 diameters for 16 mm's round steel, the welding has the side board between per two side round steels in the skeleton, and the welding has the ladder in the middle of the corresponding side board, the welding of skeleton top has the couple, leave empty in the couple, be equipped with clamping device in the couple, the welding of skeleton bottom has the base.
Preferably, clamping device is including movable block, first compression spring, second compression spring, diaphragm, riser, stopper, first gear and second gear, couple inner wall intermediate position fixedly connected with second compression spring, second compression spring bottom fixedly connected with riser, the riser is connected with the diaphragm through the loose axle, first gear and second gear have been cup jointed on the loose axle, loose axle one end fixed connection is in the couple, riser bottom fixedly connected with movable block, the first compression spring of loose axle one end fixedly connected with is kept away from to the diaphragm.
Preferably, a first rack is arranged in the transverse plate, the first gear position corresponds to the first rack and is meshed with the first rack, a second rack is arranged at the inner side of the vertical plate, the second gear position corresponds to the second rack and is meshed with the second rack, and a limiting block is arranged on one side of the first rack.
Preferably, one end of the transverse plate, which is far away from the first compression spring, penetrates through the hook.
Preferably, this cat ladder of hanging alive is used in cooperation and is installed on pipe gallery intermediate layer well head one side the mounting of cat ladder of hanging alive, round steel length is greater than the cat ladder width in the mounting.
Preferably, the framework is sleeved with the anti-slip pad on the two round steels far away from the hook.
Compared with the prior art, the utility model provides a portable movably-hung crawling ladder for an underground comprehensive pipe gallery, which has the following beneficial effects: the portable movably-hung crawling ladder is made of round steel to form a crawling ladder frame, is light in overall weight and can be moved by a single person lightly, can be hung to an interlayer hole easily due to the hook-shaped design at the top end of the crawling ladder, is internally provided with a clamping device, is hung on a fixing piece and is not easy to slide, and a base below the crawling ladder is firmly contacted with the ground of a pipe gallery, so that the stability of the crawling ladder is guaranteed; the problem of when piping lane electromechanical device transportation, installation, the condition in corridor influence operation space is solved, can guarantee the cat ladder along with demolising along with the installation in the electromechanical device transportation, convenient and fast guarantees that personnel's discrepancy piping lane's passageway is unobstructed, guarantees personnel's safety.
Drawings
FIG. 1 is a schematic structural diagram of a portable type movably-hung ladder stand used in an underground comprehensive pipe gallery, which is provided by the utility model;
FIG. 2 is a schematic use view of a portable type mobile hanging ladder stand used in an underground comprehensive pipe gallery, which is provided by the utility model;
FIG. 3 is a schematic diagram of the internal structure of a hook of the portable type flexible hanging ladder stand used in an underground comprehensive pipe gallery;
FIG. 4 is a schematic structural view of a portable type movably-hung ladder stand used in an underground comprehensive pipe gallery, which is provided by the utility model;
fig. 5 is a schematic view of a first gear and a second gear of the portable type flexible hanging ladder stand used in an underground comprehensive pipe gallery.
In the figure: 1. a framework; 2. hooking; 21. a movable block; 22. a first compression spring; 23. a second compression spring; 24. a transverse plate; 25. a vertical plate; 26. a limiting block; 27. a first gear; 28. a second gear; 3. a step; 4. a non-slip mat; 5. a side plate; 6. a base; 7. and a fixing member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1
The utility model provides a lightweight cat ladder of hanging alive for in utility tunnel, includes skeleton 1, couple 2, ladder 3, side board 5 and base 6, and skeleton 1 comprises 4 diameters for 16 mm's round steel, and the welding has side board 5 between per two side round steels in skeleton 1, and the welding has ladder 3 in the middle of corresponding side board 5, and the welding of skeleton 1 bottom has base 6, and the welding of skeleton 1 top has couple 2, leaves the sky in the couple 2, and is equipped with clamping device in the couple 2.
The cat ladder adopts phi 16 mm's round steel to make into skeleton 1, the material is Q235b, cat ladder width 320mm, 3 adoption phi 14 mm's round steel of ladder of cat ladder are constituteed, 3 high 375mm of ladder, 3 high 320mm apart from the first ladder in ground, 2930mm is makeed into to the whole height of cat ladder, when meetting different well rooms height, highly according to every grade of 375 increase and decrease, cat ladder base 6 adopts the size to be 50 x 100mm, thickness is 6mm thick steel plate and constitutes, 3 round steel adoption sizes of ladder are 70 x 70mm, thickness is 6mm thick steel plate and 1 welding of cat ladder skeleton together. The round steel of the ladder stand needs to be welded all around, the steel plate needs to be welded on two sides, welding slag needs to be removed after welding, and anticorrosive paint is coated on the welding slag.
As shown in fig. 3-5
Further, the clamping device comprises a movable block 21, a first compression spring 22, a second compression spring 23, a transverse plate 24, a vertical plate 25, a limiting block 26, a first gear 27 and a second gear 28, the second compression spring 23 is fixedly connected to the middle position of the inner wall of the hook 2, the vertical plate 25 is fixedly connected to the bottom of the second compression spring 23, the vertical plate 25 is connected with the transverse plate 24 through a movable shaft, the first gear 27 and the second gear 28 are sleeved on the movable shaft, one end of the movable shaft is fixedly connected in the hook 2, the movable block 21 is fixedly connected to the bottom of the vertical plate 25, one end of the transverse plate 24, which is far away from the movable shaft, is fixedly connected with the first compression spring 22, a first rack is arranged in the transverse plate 24, the position of the first gear 27 corresponds to the first rack and is meshed with the first rack, the position of the inner side edge of the vertical plate 25 is provided with a second rack, the position of the second gear 28 corresponds to the second rack and is meshed with the second rack, a limiting block 26 is arranged on one side of the first rack, one end, far away from the first compression spring 22, of the transverse plate 24 penetrates through the hook 2, and the limiting block 26 can prevent the first gear 27 from continuously sliding on the first rack.
When the ladder is to be used, as shown in fig. 2
Hang cat ladder loose before the installation, at first at the mounting 7 of piping lane intermediate layer well head one side installation hang cat ladder loose, the mounting 7 adopts expansion bolts rearmounted mode to fix, adopts phi 14 mm's round steel to weld simultaneously, and round steel length is greater than the cat ladder width in the mounting 7, for 400mmm, conveniently hangs cat ladder upper end couple loose and can easily hang the round steel mounting.
Specifically, as shown in fig. 2 and 3-4, when the ladder stand is lifted to the hook 2 to hang the fixed member 7, the fixed member 7 contacts with the movable block 21, the movable block 21 is pressed inwards under the action of the gravity of the ladder stand to drive the vertical plate 25 to move, because the vertical plate 25 is connected with the transverse plate 24 through the movable shaft, and the movable shaft is sleeved with the first gear 27 and the second gear 28, one end of the movable shaft is fixedly connected in the hook 2, the movement of the vertical plate 25 drives the transverse rod 24 to move under the action of the first gear 27, the first rack and the second gear 28, one end of the transverse rod 24 is pressed towards the inner side of the hook 2, the fixed member 7 is more stable and difficult to slide in the hook 2, when a person goes up and down, the acting force on the movable block 21 is increased due to the increase of the gravity, and the acting force of one end of the transverse rod 24 on the inner side of the hook 2 is increased, and a first compression spring 22 and a second compression spring 23 are respectively and fixedly connected to the cross bar 24 and the vertical plate 25, and when the acting force disappears, the compression springs restore to be deformed so that the cross bar 24 and the vertical plate 25 return to the original state.
As shown in figure 1, the antiskid pads 4 are sleeved on the two round steel bars of the framework 1 far away from the hook 2, so that people can hold the antiskid pads 4 up and down to increase friction force to prevent skidding.
During construction or operation in gallery at ordinary times, can hang the cat ladder of living hanging on intermediate layer well head mounting 7, use as normal cat ladder, satisfy personnel's last lower pipe gallery and current needs. In the transportation of electrical equipment and the installation in the corridor, because the implementation space is limited in the corridor, the cat ladder has more hindered the transportation of equipment, can take the cat ladder of hanging alive this moment and put the region that does not influence equipment transportation and construction, wait to hang the cat ladder of hanging alive again to intermediate layer import department and supply personnel current after equipment transportation installation is accomplished, convenient and fast can satisfy the sparse needs under personnel's the sewer tunnel and emergency simultaneously, guaranteed the interior operation personnel's of corridor safety.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a lightweight cat ladder of hanging alive for in utility tunnel, includes skeleton (1), couple (2), ladder (3), side board (5) and base (6), its characterized in that: skeleton (1) comprises 4 diameter 16 mm's round steel, the welding has side board (5) between per two side round steel in skeleton (1), and the welding has ladder (3) in the middle of corresponding side board (5), skeleton (1) top welding has couple (2), leave empty in couple (2), be equipped with clamping device in couple (2), skeleton (1) bottom welding has base (6).
2. The portable type movably-hung ladder stand for the underground comprehensive pipe gallery according to claim 1 is characterized in that: clamping device is including movable block (21), first compression spring (22), second compression spring (23), diaphragm (24), riser (25), stopper (26), first gear (27) and second gear (28), couple (2) inner wall intermediate position fixedly connected with second compression spring (23), second compression spring (23) bottom fixedly connected with riser (25), riser (25) are connected with diaphragm (24) through the loose axle, first gear (27) and second gear (28) have been cup jointed on the loose axle, loose axle one end fixed connection is in couple (2), riser (25) bottom fixedly connected with movable block (21), the first compression spring (22) of loose axle one end fixedly connected with is kept away from in diaphragm (24).
3. The portable type flexible-hanging ladder stand for the underground comprehensive pipe gallery is characterized in that: a first rack is arranged in the transverse plate (24), the first gear (27) is corresponding to the first rack and is meshed with the first rack, a second rack is arranged on the inner side of the vertical plate (25), the second gear (28) is corresponding to the second rack and is meshed with the second rack, and a limiting block (26) is arranged on one side of the first rack.
4. The portable type flexible-hanging ladder stand for the underground comprehensive pipe gallery is characterized in that: one end, far away from the first compression spring (22), of the transverse plate (24) penetrates through the hook (2).
5. The portable type movably-hung ladder stand for the underground comprehensive pipe gallery according to claim 1 is characterized in that: the fixing part (7) of the movable hanging crawling ladder is arranged on one side of a well mouth of the pipe gallery interlayer in cooperation with the movable hanging crawling ladder, and the length of round steel in the fixing part (7) is larger than the width of the crawling ladder.
6. The portable type movably-hung ladder stand for the underground comprehensive pipe gallery according to claim 1 is characterized in that: the antiskid device is characterized in that antiskid pads (4) are sleeved on the two round steels of the framework (1) far away from the hook (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121153709.7U CN215485826U (en) | 2021-05-27 | 2021-05-27 | A lightweight cat ladder of hanging alive for in utility tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121153709.7U CN215485826U (en) | 2021-05-27 | 2021-05-27 | A lightweight cat ladder of hanging alive for in utility tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215485826U true CN215485826U (en) | 2022-01-11 |
Family
ID=79780576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121153709.7U Expired - Fee Related CN215485826U (en) | 2021-05-27 | 2021-05-27 | A lightweight cat ladder of hanging alive for in utility tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215485826U (en) |
-
2021
- 2021-05-27 CN CN202121153709.7U patent/CN215485826U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20220111 |