CN212689892U - Extensible combined ladder with guide mechanism - Google Patents
Extensible combined ladder with guide mechanism Download PDFInfo
- Publication number
- CN212689892U CN212689892U CN202020728225.XU CN202020728225U CN212689892U CN 212689892 U CN212689892 U CN 212689892U CN 202020728225 U CN202020728225 U CN 202020728225U CN 212689892 U CN212689892 U CN 212689892U
- Authority
- CN
- China
- Prior art keywords
- ladder
- guide plate
- bent
- mechanism according
- lateral width
- 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.)
- Active
Links
Images
Landscapes
- Ladders (AREA)
Abstract
Extensible combination ladder with guiding mechanism, including inner ladder, outer ladder, removal single ladder, first deflector, second deflector, the utility model discloses can make combination ladder safe handling when guaranteeing stable removal from top to bottom can the ladder, can switch over moreover between double ladder and single ladder, do not have the card pause phenomenon during the expansion to easy operation.
Description
Technical Field
The utility model relates to a ladder field is used in the engineering, concretely relates to extensible combination ladder with guiding mechanism.
Background
The utility model discloses a high work of personnel's stability and safety can be guaranteed under the condition of guaranteeing the high work of personnel to the advantage of double ladder, but the double ladder is high limited before extending and after extending, can receive certain hindrance on the construction height, the below of the double ladder that is usual has the connecting rod in addition, the connecting rod can lead to the fact the hindrance to placing, and telescopic ladder does not have auxiliary device a bit on the market, the flexible removal from top to bottom can lead to the fact about the ladder, can lead to the fact the influence to the stability of ladder, reduce the security of using.
Disclosure of Invention
The utility model provides an extensible combination ladder with guiding mechanism for solve the technical problem that appears in above-mentioned background and the book.
An extensible combined ladder with a guide mechanism comprises an inner ladder, an outer ladder, a movable single ladder, a first guide plate and a second guide plate, and is characterized in that the top ends of the inner ladder and the outer ladder are crossed from inside to outside to form a herringbone ladder, the first guide plate is fixed on the inner sides of two ends of the upper end of the inner ladder, the second guide plate is fixed on the inner sides of two ends of the upper end of the outer ladder, the movable single ladder is arranged on the outer sides of any ladder surfaces of the two ends of the inner ladder and the outer ladder, the front ends of the first guide plate and the second guide plate are bent inwards and vertically, the rear end of the first guide plate is bent outwards and vertically to form a baffle, the bent part is horizontally consistent with the first guide plate, a chute is arranged at the bent part of the rear ends of the inner ladder and the first guide plate, a slide column is arranged at the rear end side end of the second guide plate, the slide column is consistent with the horizontal position of the chute, the length of the first guide plate is, the movable single ladder passes through the lower part of the first guide plate.
Preferably, the extendable ramp with guide mechanism is characterized in that the inner ramp width is smaller than the outer ramp width.
Preferably, the extendable ramp with guide mechanism is characterized in that the lateral width of the mobile single ramp is shorter than the lateral width of the inner ramp.
Preferably, the extendable combination ladder with the guide mechanism is characterized in that the bending extension length of the second guide plate is positioned at the position of the transverse width difference between the movable single ladder and the inner ladder, and the bending extension length of the first guide plate is positioned at the position of the transverse width difference between the inner ladder and the outer ladder.
Preferably, the extendable combination ladder with the guide mechanism is characterized in that the distance between the upper transverse ladder bar and the lower transverse ladder bar of the mobile single ladder is equal to the distance between the upper transverse ladder bar and the lower transverse ladder bar of the mobile single ladder.
Preferably, the extensible combined ladder with the guide mechanism is characterized in that the lower end of a rear ladder of the herringbone ladder is provided with anti-skid ground feet.
Preferably, the extensible combined ladder with the guide mechanism is characterized in that at least two fixing plates are arranged at two ends of the lowest transverse ladder rod of the movable single ladder and the inner ladder, the rear ends of the fixing plates are provided with profiles, the lower ends of the profiles are provided with notches, and the sizes of the profiles are equal to the diameters of the transverse ladder rods of the movable single ladder.
Has the advantages that: the utility model discloses can make the combination ladder safe handling when guaranteeing stable removal from top to bottom of can the ladder, can switch between double ladder and single ladder moreover, do not have the card pause phenomenon during the expansion to easy operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a schematic diagram of a first guide plate and a second guide plate;
FIG. 4 is a schematic view of a fixing plate;
in the figure: the anti-skid ladder comprises an inner ladder 1, an outer ladder 2, a movable single ladder 3, a first guide plate 4, a second guide plate 5, a baffle 6, a sliding chute 7, a sliding column 8, anti-skid feet 9 and a fixing plate 10.
Detailed Description
The ladder material of the utility model is made of high-strength aluminum alloy material, the first guide plate 4 and the second guide plate 5 are made of steel parts with the thickness of 3mm, and the extensible combined ladder with the guide mechanism comprises an inner ladder 1, an outer ladder 2, a movable single ladder 3, a first guide plate 4 and a second guide plate 5, which is characterized in that the top ends of the inner ladder 1 and the outer ladder 2 are crossed inside and outside to form a herringbone ladder, the first guide plate 4 is fixed at the inner side of the two ends of the upper end of the inner ladder 1, the second guide plate 5 is fixed at the inner side of the two ends of the upper end of the outer ladder 2, the movable single ladder 3 is arranged at the outer side of any ladder surface at the two ends of the inner ladder 1 and the outer ladder 2, the front ends of the first guide plate 4 and the second guide plate 5 are vertically bent inwards, the rear end of the first guide plate 4 is vertically bent outwards to form a baffle 6, the bent part is consistent with the level of the first guide plate 4, a chute 7 is arranged at, the rear end side end of the second guide plate 5 is provided with a sliding column 8, the sliding column 8 is consistent with the horizontal position of the sliding chute 7, the length of the first guide plate 4 is longer than that of the second guide plate 5, the inner ladder 1 penetrates below the second guide plate 5 in a bent mode, and the movable single ladder 3 penetrates below the first guide plate 4 in a bent mode.
Further, the width of the inner ladder 1 is smaller than that of the outer ladder 2.
Further, the lateral width of the moving single ladder 3 is shorter than that of the inner ladder 1.
Furthermore, the bending extension length of the second guide plate 5 is located at the position where the transverse width of the movable single ladder 3 is different from that of the inner ladder 1, and the bending extension length of the first guide plate 4 is located at the position where the transverse width of the inner ladder 1 is different from that of the outer ladder 2.
Further, the distance between the upper transverse ladder bar and the lower transverse ladder bar of the movable single ladder 3 is equal to the distance between the upper transverse ladder bar and the lower transverse ladder bar of the movable single ladder 3.
Furthermore, the lower end of the rear ladder of the herringbone ladder is provided with an anti-skid foot margin 9.
Further, the two ends of the lowest transverse ladder rod of the movable single ladder 3 and the inner ladder 1 are provided with at least two fixing plates 10, the rear ends of the fixing plates 10 are provided with outlines, the lower ends of the outlines are provided with notches, and the sizes of the outlines are equal to the diameters of the transverse ladder rods of the movable single ladder 3.
The top ends of an inner ladder 1 and an outer ladder 2 are crossed inside and outside to form a herringbone ladder, a first guide plate 4 is fixed on the inner sides of two ends of the upper end of the inner ladder 1 through bolts or in a riveting mode, a second guide plate 5 is fixed on the inner sides of two ends of the upper end of the outer ladder 2 through bolts or in a riveting mode, a movable single ladder 3 is arranged on the outer sides of any ladder surface of two ends of the inner ladder 1 and the outer ladder 2 and only arranged on one side, the front ends of the first guide plate 4 and the second guide plate 5 are bent inwards and vertically, the rear end of the first guide plate 4 is bent and formed vertically and outwards, the bent part is horizontally consistent with the first guide plate 4, a chute 7 is arranged at the bent part of the rear ends of the inner ladder 1 and the first guide plate 4, a baffle 6 and the upper end of the chute 7 are positioned at the same horizontal position, a slide column 8 is arranged at the rear end side end of the second guide plate 5, the slide column 8 and the slide column, the sliding column 8 moves in the sliding chute 7 and is supported at the top end of the sliding chute 7, meanwhile, the lower part of the bent part at the front end of the second guide plate 5 can be pressed on the side column of the inner ladder 1 to play a role in limiting and fixing, when the inner ladder 1 and the outer ladder 2 are transversely folded inwards and extend upwards, the sliding column 8 can move towards the outer end of the sliding chute 7 and can stop at the lower end of the baffle 6, the baffle 6 can play a role in blocking and limiting, the length of the first guide plate 4 is longer than that of the second guide plate 5, the inner ladder 1 passes under the bent part of the second guide plate 5, the movable single ladder 3 passes under the bent part of the first guide plate 4, the inner ladder 1 moves up and down in front of the outer ladder 2, the movable single ladder 3 moves up and down in front of the inner ladder 1, the width of the inner ladder 1 is smaller than that of the outer ladder 2, the transverse width of the movable single ladder 3 is shorter than that of the inner ladder 1, and the extending length of the bent part of the second guide plate 5 is, the bending extension length of the first guide plate 4 is positioned at the position with the difference of the transverse width of the inner ladder 1 and the outer ladder 2, the distance between the upper transverse ladder rod and the lower transverse ladder rod of the movable single ladder 3 is equal to the distance between the upper transverse ladder rod and the lower transverse ladder rod of the movable single ladder 3, the lower end of the rear ladder of the herringbone ladder is provided with an anti-skidding ground foot 9, at least two fixed plates 10 are arranged at the two ends of the lowest transverse ladder rod of the movable single ladder 3 and the inner ladder 1, the rear ends of the fixed plates 10 are provided with profiles, the lower ends of the profiles are provided with gaps, the size of the profiles is equal to the diameter of the transverse ladder rods of the movable single ladder 3, the lower end gap of the rear end profile of the up-down movable fixed plate 10 can be hung on the transverse ladder rods of the inner ladder 1 and the outer, and can switch between double ladder and single ladder, there is no stuck phenomenon when spreading, and easy to operate.
The above is only the preferred embodiment of the present invention, as long as the preferred embodiment is realized by the same means, the objective technical solution of the present invention all belongs to the protection scope of the present invention.
Claims (7)
1. An extensible combined ladder with a guide mechanism comprises an inner ladder (1), an outer ladder (2), a movable single ladder (3), a first guide plate (4) and a second guide plate (5), and is characterized in that the top ends of the inner ladder (1) and the outer ladder (2) are crossed from inside to outside to form a herringbone ladder, the first guide plate (4) is fixed on the inner sides of the two ends of the upper end of the inner ladder (1), the second guide plate (5) is fixed on the inner sides of the two ends of the upper end of the outer ladder (2), the movable single ladder (3) is arranged on the outer side of the ladder surface of the inner ladder (1), the front ends of the first guide plate (4) and the second guide plate (5) are bent inwards and vertically, the rear end of the first guide plate (4) is bent outwards and vertically to form a baffle (6), the bent position is horizontally consistent with the first guide plate (4), a chute (7) is arranged at the bent position of the inner ladder (1) and the rear end of the first guide plate (4), and a sliding column (8) is arranged at the, the sliding column (8) is consistent with the sliding chute (7) in horizontal position, the length of the first guide plate (4) is equal to that of the second guide plate (5), the inner ladder (1) penetrates through the bent lower part of the second guide plate (5), and the movable single ladder (3) penetrates through the bent lower part of the first guide plate (4).
2. An extendable combination ladder with guiding mechanism according to claim 1, characterised in that the inner ladder (1) has a smaller width than the outer ladder (2).
3. An extendable combination ladder with guiding mechanism according to claim 1, characterized in that the lateral width of the mobile single ladder (3) is shorter than the lateral width of the inner ladder (1).
4. An extendable combination ladder with guiding mechanism according to claim 1, characterized in that the second guiding plate (5) has a bending extension at the position where the lateral width of the mobile single ladder (3) differs from the lateral width of the inner ladder (1), and the first guiding plate (4) has a bending extension at the position where the lateral width of the inner ladder (1) differs from the lateral width of the outer ladder (2).
5. An extendable combination ladder with guiding mechanism according to claim 1, characterized in that the pitch of the upper and lower transversal ladder bars of the mobile single ladder (3) is equal to the pitch of the upper and lower transversal ladder bars of the mobile single ladder (3).
6. An extendable combination ladder with guide mechanism according to claim 1, characterized in that the rear ladder lower end of the double ladder is provided with anti-skid feet (9).
7. An extensible combination ladder with guiding mechanism according to claim 1, characterized in that the lowest transverse ladder bar of the moving single ladder (3) and the inner ladder (1) is provided with at least two fixing plates (10) at both ends, the rear end of the fixing plate (10) is provided with a contour, the lower end of the contour is provided with a gap, and the contour size is equal to the diameter of the transverse ladder bar of the moving single ladder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020728225.XU CN212689892U (en) | 2020-05-07 | 2020-05-07 | Extensible combined ladder with guide mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020728225.XU CN212689892U (en) | 2020-05-07 | 2020-05-07 | Extensible combined ladder with guide mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212689892U true CN212689892U (en) | 2021-03-12 |
Family
ID=74886526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020728225.XU Active CN212689892U (en) | 2020-05-07 | 2020-05-07 | Extensible combined ladder with guide mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212689892U (en) |
-
2020
- 2020-05-07 CN CN202020728225.XU patent/CN212689892U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110094220B (en) | Mining two-column guide rod type anti-collision roadway advanced hydraulic support | |
| CN207226920U (en) | A kind of tower crane lifting body | |
| CN207313068U (en) | A kind of mobile lifting platform | |
| CN212689892U (en) | Extensible combined ladder with guide mechanism | |
| CN205183341U (en) | Vertical frame guide and guard beam | |
| CN107654250A (en) | Fully mechanized mining withdraws working face fan section and withdraws method | |
| CN207738259U (en) | A kind of villa elevator upper mechanical preventing device | |
| CN207363691U (en) | Scalable superelevation end hydraulic support | |
| CN206852943U (en) | High altitude construction safety belt slides and hangs some | |
| CN210889001U (en) | Large-inclination hydraulic support | |
| CN107966305A (en) | Tyre inflating protective tooling | |
| CN107555347A (en) | A kind of lifting of building machinery is stepped on | |
| CN107892225A (en) | A kind of villa elevator upper mechanical preventing device | |
| CN216110747U (en) | Combined tunnel multifunctional operation rack | |
| CN211278123U (en) | City rail vehicle is with dismantling frock | |
| CN209413323U (en) | A kind of Construction of High-rise movable material platform | |
| CN212079328U (en) | Template trolley for tunnel engineering | |
| CN208518229U (en) | The anti-fall mechanism of the accumulated snow of photovoltaic roof | |
| CN104985008A (en) | Feeding device of large side loading two-roller cold pilger mill | |
| CN110792464A (en) | Movable support bracket for coal mine excavation roadway | |
| CN219839436U (en) | Multifunctional operation insulation operation platform | |
| CN217102986U (en) | Telescopic aerial working truck work platform | |
| CN210286581U (en) | Frock convenient to air condensing units installation | |
| CN219794599U (en) | Building elevator shaft entrance to a cave protection platform | |
| CN221194324U (en) | Building engineering platform of unloading |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |