CN214997367U - Safe crawling ladder structure for vertical wall surface operation - Google Patents
Safe crawling ladder structure for vertical wall surface operation Download PDFInfo
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- CN214997367U CN214997367U CN202120751880.1U CN202120751880U CN214997367U CN 214997367 U CN214997367 U CN 214997367U CN 202120751880 U CN202120751880 U CN 202120751880U CN 214997367 U CN214997367 U CN 214997367U
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Abstract
The utility model discloses a safe cat ladder structure is used in vertical wall operation, including straight-bar, wall body, the straight-bar sets up on the wall body, rotate through the round pin axle on the straight-bar and be connected with the footboard, the footboard other end rotates jointly through the round pin axle and is connected with the dead lever, straight-bar one side set up flutedly, the inside rotation of recess is connected with the pivot, coaxial weld fixation has the bracing piece in the pivot, the bracing piece offsets with the wall body, weld fixation has the lug on the straight-bar, dead lever sliding connection has the slide bar, the slide bar is located the outside one end of dead lever and rotates through the round pin axle and be connected with the rotation seat. The utility model discloses beneficial effect: through utilizing the bracing piece to fix the device, simultaneously can angle regulation, conveniently be fit for the demand of co-altitude wall body, support the dead lever through utilizing the slide bar, adjust the length of slide bar simultaneously for footboard and ground keep the level, make the climbing process more steady.
Description
Technical Field
The utility model relates to a safe cat ladder technical field especially relates to a safe cat ladder structure is used in vertical wall operation.
Background
Along with the rapid development of economy and urban infrastructure in China, the requirements on various mechanical equipment are increasingly strengthened, and as the basic equipment for urban construction, the use rate of the ladder stand is very high for a long time.
However, various ladders used at present still have a lot of potential safety hazards, and the framework of some ladders is too simple, produces deformation very easily, and the firmness is very low, inconvenient use, and the foot of falling of most ladders department is the horizontal pole simultaneously, and the very easy landing in use takes place the incident.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a safe crawling ladder structure for vertical wall surface operation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a safe cat ladder structure is used in vertical wall operation, includes straight-bar, wall body, the straight-bar sets up on the wall body, it is connected with the footboard to rotate through the round pin axle on the straight-bar, the footboard other end rotates jointly through the round pin axle and is connected with the dead lever, straight-bar one side is seted up flutedly, the inside rotation of recess is connected with the pivot, coaxial weld is fixed with the bracing piece in the pivot, the bracing piece offsets with the wall body, weld is fixed with the lug on the straight-bar, dead lever sliding connection has the slide bar, the slide bar is located the outside one end of dead lever and rotates through the round pin axle and is connected with the rotation seat, the straight-bar is connected with stop device, the dead lever is connected with strutting arrangement.
Preferably, the limiting device comprises a limiting rod rotatably connected to the straight rod, a cavity is formed in the straight rod, the rotating shaft penetrates through the straight rod and the cavity, a ratchet wheel is coaxially welded and fixed to one section of the rotating shaft located in the cavity, the ratchet wheel is meshed with the limiting rod, and the limiting rod penetrates through the straight rod.
Preferably, the supporting device comprises a limiting block welded and fixed to the top of the sliding rod, a sliding groove is formed in the fixed rod, the limiting block slides in the sliding groove, a rack is welded and fixed to the other end of the limiting block, a straight gear is meshed with the rack, a gear shaft is coaxially welded and fixed to the straight gear, and the gear shaft penetrates through the fixed rod.
Preferably, a cushion block is welded and fixed at the bottom of the rotating seat and abuts against the ground.
Preferably, a return spring is fixedly welded on one side of the limiting rod, and the other end of the return spring is fixedly welded inside the straight rod.
Preferably, a knob is coaxially welded and fixed at one end of the gear shaft, which is located outside the fixing rod, and anti-skid patterns are arranged on the knob.
The utility model discloses contrast prior art, its advantage lies in:
1. the utility model provides a safe cat ladder structure is used in vertical wall operation fixes the device through utilizing the bracing piece, can angle of adjustment simultaneously, conveniently is fit for the demand of not co-altitude wall body.
2. The utility model provides a safe cat ladder structure is used in vertical wall operation supports the dead lever through utilizing the slide bar, adjusts the length of slide bar simultaneously for footboard and ground keep the level, make the climbing process more steady.
Drawings
Fig. 1 is the utility model provides a structure schematic diagram of safe cat ladder structure is used in vertical wall operation.
Fig. 2 is the utility model provides a device recovery state schematic diagram of safe cat ladder structure for vertical wall operation.
Fig. 3 is the utility model provides a fixing device schematic diagram of safe cat ladder structure for vertical wall operation.
Fig. 4 is the enlarged view of the part a of the safety ladder structure for the vertical wall surface operation of the present invention.
In the figure: the device comprises a straight rod 1, a wall body 2, a pedal 3, a fixing rod 4, a groove 5, a rotating shaft 6, a supporting rod 7, a protruding block 8, a sliding rod 9, a rotating seat 10, a cushion block 11, a cavity 12, a ratchet wheel 13, a limiting rod 14, a return spring 15, a sliding groove 16, a limiting block 17, a rack 18, a straight gear 19, a gear shaft 20 and a knob 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a safe crawling ladder structure for vertical wall surface operation, including straight-bar 1, wall body 2, straight-bar 1 is arranged on wall body 2, the straight-bar 1 is connected with footboard 3 through the round pin axle rotation, the footboard 3 other end rotates jointly through the round pin axle and is connected with dead lever 4, straight-bar 1 one side is seted up flutedly 5, the inside rotation of recess 5 is connected with pivot 6, coaxial welded fastening has bracing piece 7 in pivot 6, bracing piece 7 offsets with wall body 2, welded fastening has lug 8 on straight-bar 1, dead lever 4 sliding connection has slide bar 9, the one end that slide bar 9 is located dead lever 4 outside rotates through the round pin axle and is connected with rotation seat 10, straight-bar 1 is connected with stop device, dead lever 4 is connected with strutting arrangement.
The limiting device comprises a limiting rod 14 rotatably connected to the straight rod 1, a cavity 12 is formed in the straight rod 1, the rotating shaft 6 penetrates through the straight rod 1 and the cavity 12, a ratchet wheel 13 is coaxially welded and fixed to a section, located in the cavity 12, of the rotating shaft 6, the ratchet wheel 13 is meshed with the limiting rod 14, and the limiting rod 14 penetrates through the straight rod 1.
The supporting device comprises a limiting block 17 welded and fixed to the top of the sliding rod 9, a sliding groove 16 is formed in the fixed rod 4, the limiting block 17 slides in the sliding groove 16, a rack 18 is welded and fixed to the other end of the limiting block 17, the rack 18 is meshed with a straight gear 19, a gear shaft 20 is coaxially welded and fixed to the straight gear 19, and the gear shaft 20 penetrates through the fixed rod 4.
The bottom of the rotating seat 10 is welded and fixed with a cushion block 11, the cushion block 11 is abutted to the ground, one side of the limiting rod 14 is welded and fixed with a return spring 15, the other end of the return spring 15 is welded and fixed inside the straight rod 1, one end of the gear shaft 20, which is located outside the fixing rod 4, is coaxially welded and fixed with a knob 21, anti-skidding patterns are arranged on the knob 21, the fixing rod 4 is supported by utilizing a slide rod 9, the length of the slide rod 9 is adjusted simultaneously, the pedal 3 is kept horizontal with the ground, and the climbing process is more stable.
The utility model discloses in, the theory of operation, at first, lean on the device on wall body 2, take off dead lever 4 from lug 8, then take out bracing piece 7 from recess 5, it is rotatory to drive pivot 6, make ratchet 13 rotatory, make bracing piece 7 offset with wall body 2, because gag lever post 14 and ratchet 13 meshing, make the unable reverse rotation of bracing piece 7, it is more stable to guarantee the device, then rotatory knob 21, it is rotatory to drive gear shaft 20, make straight-teeth gear 19 rotatory, thereby drive rack 18 and remove, make slide bar 9 slide in spout 16, make cushion 11 offset with ground simultaneously, support dead lever 4, make footboard 3 keep parallel with ground, make the climbing process more steady.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A safe crawling ladder structure for vertical wall surface operation comprises a straight rod (1) and a wall body (2), and is characterized in that the straight rod (1) is arranged on the wall body (2), a pedal (3) is rotatably connected onto the straight rod (1) through a pin shaft, the other end of the pedal (3) is rotatably connected with a fixed rod (4) through a pin shaft, a groove (5) is formed in one side of the straight rod (1), a rotating shaft (6) is rotatably connected into the groove (5), a supporting rod (7) is coaxially welded and fixed onto the rotating shaft (6), the supporting rod (7) abuts against the wall body (2), a convex block (8) is welded and fixed onto the straight rod (1), a sliding rod (9) is slidably connected onto the fixed rod (4), and a rotating seat (10) is rotatably connected onto one end, located outside the fixed rod (4), of the sliding rod (9), the straight rod (1) is connected with a limiting device, and the fixed rod (4) is connected with a supporting device.
2. The safety ladder stand structure for the vertical wall surface operation is characterized in that the limiting device comprises a limiting rod (14) rotatably connected to the straight rod (1), a cavity (12) is formed in the straight rod (1), the rotating shaft (6) penetrates through the straight rod (1) and the cavity (12), a ratchet wheel (13) is coaxially welded and fixed to a section, located in the cavity (12), of the rotating shaft (6), the ratchet wheel (13) is meshed with the limiting rod (14), and the limiting rod (14) penetrates through the straight rod (1).
3. The safety ladder stand structure for the vertical wall surface operation is characterized in that the supporting device comprises a limiting block (17) welded and fixed at the top of the sliding rod (9), a sliding groove (16) is formed in the fixed rod (4), the limiting block (17) slides in the sliding groove (16), a rack (18) is welded and fixed at the other end of the limiting block (17), the rack (18) is meshed with a straight gear (19), a gear shaft (20) is coaxially welded and fixed on the straight gear (19), and the gear shaft (20) penetrates through the fixed rod (4).
4. A safety ladder structure as claimed in claim 1, wherein a spacer block (11) is welded and fixed to the bottom of the rotary seat (10), and the spacer block (11) abuts against the ground.
5. The safety ladder stand structure for the vertical wall surface operation as claimed in claim 2, wherein a return spring (15) is welded and fixed on one side of the limiting rod (14), and the other end of the return spring (15) is welded and fixed inside the straight rod (1).
6. A safety ladder stand structure for vertical wall surface operation as claimed in claim 3, wherein a knob (21) is coaxially welded and fixed at one end of the gear shaft (20) located outside the fixing rod (4), and anti-skid patterns are arranged on the knob (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120751880.1U CN214997367U (en) | 2021-04-14 | 2021-04-14 | Safe crawling ladder structure for vertical wall surface operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120751880.1U CN214997367U (en) | 2021-04-14 | 2021-04-14 | Safe crawling ladder structure for vertical wall surface operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214997367U true CN214997367U (en) | 2021-12-03 |
Family
ID=79136405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120751880.1U Active CN214997367U (en) | 2021-04-14 | 2021-04-14 | Safe crawling ladder structure for vertical wall surface operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214997367U (en) |
-
2021
- 2021-04-14 CN CN202120751880.1U patent/CN214997367U/en active Active
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