CN208152923U - A kind of construction ladder - Google Patents
A kind of construction ladder Download PDFInfo
- Publication number
- CN208152923U CN208152923U CN201820468593.8U CN201820468593U CN208152923U CN 208152923 U CN208152923 U CN 208152923U CN 201820468593 U CN201820468593 U CN 201820468593U CN 208152923 U CN208152923 U CN 208152923U
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- CN
- China
- Prior art keywords
- pedal
- ladder
- arc shape
- main
- minor arc
- 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.)
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Abstract
The utility model embodiment discloses a kind of construction ladder, the auxiliary ladder for being hingedly connected to two main ladder supports of the mirror settings of seat board bottom surface including seat board, top and being slidably connected on main ladder support, wherein, each main ladder support includes that two main vertical poles of left and right distribution, both ends are connected to horizontally disposed no less than 3 minor arc shape pedals of main vertical pole, the main vertical pole of two of each main ladder support forms two waists of an isosceles trapezoid, and the minor arc shape pedal is axially uniformly distributed along main vertical pole.The minor arc shape pedal of the construction ladder main ladder support of above-mentioned tower setting increases load-bearing area and the activity covering space of pedal, after the auxiliary ladder being slidably connected with main ladder support slides axially and is unfolded, the main ladder support and auxiliary ladder are connected, not only improve the firmness and stability of construction ladder structure, and the scope of activities covered is wider, provides possibility for the complicated construction of eminence.
Description
Technical field
The utility model relates to the auxiliary tool field of construction more particularly to a kind of construction ladders.
Background technique
In construction site, ladder is standing auxiliary tool, and ladder reaches higher point position convenient for construction personnel and carries out
Multinomial work, traditional ladder are hingedly made of two groups of vertical ladders, and construction personnel can only stand in two where vertical ladder after opening
Opposite is constructed, but the position for being located at vertical ladder both sides is not easy to be operated, and not only construction personnel nowhere gets a foothold, and
It is easy to fall due to gravity center instability.It is above-mentioned tradition vertical ladder opereating specification it is narrow, construction personnel need in use through
Often mobile ladder position, it is inconvenient, and inefficiency.
Therefore, the prior art need further to develop.
Utility model content
In view of the above technical problems, the utility model embodiment provides a kind of construction that opereating specification is wide with climbing
Ladder, to solve the problems, such as that traditional ladder opereating specification is narrow, inconvenient and inefficiency.
The utility model provides following technical scheme:
A kind of construction ladder is hingedly connected to two masters of the mirror settings of seat board bottom surface including seat board, top
Ladder and the auxiliary ladder being slidably connected on main ladder support, wherein each main ladder support includes two main vertical poles, two of left and right distribution
End is connected to the horizontally disposed no less than 3 minor arc shape pedals of vertical pole, and two main vertical poles of each main ladder support are formed
Two waists of one isosceles trapezoid, the minor arc shape pedal are axially uniformly distributed along main vertical pole.
The construction ladder, wherein the auxiliary ladder includes the secondary arc being slidably connected with minor arc shape pedal
The secondary vertical pole of shape pedal and connection adjacent pair arc pedal.
The construction ladder, wherein the minor arc shape pedal is arc square tube or arc with secondary arc pedal
Round tube.
The construction ladder, wherein the axially disposed sliding rail of the minor arc shape pedal exterior portion, the master
Arc pedal inboard portion is connect with main vertical pole, the axially disposed sliding slot with sliding rail cooperation on the inside of the pair arc pedal.
The construction ladder, wherein the cross section of the minor arc shape pedal is I-shaped or U-shaped, described
Sliding slot cross section on secondary arc pedal is matched with minor arc shape pedal left cross sectional shape.
The construction ladder, wherein the minor arc shape tread length in same plane is longer than secondary arc pedal
Length, the circumferential length of circle where the sum of the length of secondary arc pedal and minor arc shape pedal in same plane is longer than.
The construction ladder, wherein the first positioning through hole, the pair arc is arranged in the minor arc shape pedal both ends
Second location hole is arranged in corresponding first positioning through hole in the both ends of shape pedal, and the both ends of the pair arc pedal with first by positioning
Through-hole, the pin of second location hole cooperation or screw are separately connected adjacent minor arc shape pedal.
The construction ladder, wherein the junction of the main vertical pole and minor arc shape pedal is provided with fixed cross
Bar, the both ends of the fixed transverse rod extend through the main vertical pole in two sides and are inserted in the inside of minor arc shape pedal, the fixed transverse rod
Cross section be rectangular and triangle.
The construction ladder, wherein the pair vertical pole is to be clamped, be spirally connected with all secondary arc pedal lateral walls
Or welding a connecting rod or the secondary vertical pole include a plurality of top and bottom for being fixedly connected with adjacent pair arc pedal company
Bar.
The construction ladder, wherein the seat board includes the left plate being hinged and right panel, described two ladders
Frame is hingedly connected to the bottom surface of left plate or right panel, carry out hingedly on the left of right panel by rotary shaft on the right side of the left plate, wherein left
Plate right upper portion extends the first support arm to right panel, and right panel left lower extends second complementary with the first support arm to the left
Support arm.
Construction provided by the utility model is arranged with ladder in tower, and main ladder support is expanded using minor arc shape pedal and stepped on
The load-bearing area of plate and activity covering space, the auxiliary ladder being slidably connected on main ladder support slide axially along minor arc shape pedal and
After expansion, minor arc shape pedal and secondary arc pedal are end-to-end to form cyclic annular pedal, and the main ladder support and auxiliary ladder are linked to be one
Body not only improves the firmness and stability of construction ladder structure, and the scope of activities covered is wider, is large area
Eminence complicated construction provide convenience.
Detailed description of the invention
Fig. 1 is the schematic perspective view of construction ladder folded state in the utility model embodiment 1;
Fig. 2 is the schematic perspective view of construction ladder unfolded state in the utility model embodiment 1;
Fig. 3 is the longitudinal cross-section structural representation of the minor arc shape pedal of construction ladder in the utility model embodiment 1
Figure;
Fig. 4 is the longitudinal cross-section structural schematic diagram of construction ladder minor arc shape pedal in the utility model embodiment 2.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those skilled in the art are obtained without creative efforts
The every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that be expressed " being fixed on " another element when element, it can directly on the other element,
Or there may be one or more elements placed in the middle therebetween.When an element is expressed " connection " another element, it can be with
It is directly to another element or there may be one or more elements placed in the middle therebetween.Used in this specification
The orientation or position of the instructions such as term "vertical", "horizontal", "left" and "right", "upper", "lower", "inner", "outside", " bottom "
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be construed as a limitation of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of the technical staff in art field is identical.Art used in the description of the utility model in this specification
Language is only for the purpose of describing specific embodiments, and is not intended to limitation the utility model.Art used in this specification
Language "and/or" includes any and all combinations of one or more related listed items.In addition, sheet disclosed below
Technical characteristic involved in utility model different embodiments can be combined with each other as long as they do not conflict with each other.
A kind of construction ladder as shown in Figs. 1-2 is hingedly connected to 1 bottom surface of seat board including seat board 1 and top
Two main ladder supports 2 of mirror settings, wherein each main ladder support 2 includes that two main vertical poles 3, both ends of left and right distribution are separately connected
In the horizontally disposed no less than 3 minor arc shape pedals 4 of main vertical pole 3, the main vertical pole 3 of two of each ladder 2 forms one etc.
Two trapezoidal waists of waist, the minor arc shape pedal 4 are axially uniformly distributed along main vertical pole.In the present embodiment, set on each main ladder support 2
Set 3 minor arc shape pedals 4.The construction of above-mentioned setting is in pyramidal structure with ladder, and bottom minor arc shape pedal makes as pedestal
Ladder stable in placement is not easy to collapse because of center shakiness.In addition, the arc setting of minor arc shape pedal increases the weight-bearing surface of pedal
Product, convenient for movement of the user on ladder.
Above-mentioned construction ladder further include auxiliary ladder, the auxiliary ladder be 2, each auxiliary ladder include with
The secondary vertical pole 6 of secondary arc pedal 5 and connection adjacent pair arc pedal 5 that minor arc shape pedal 4 is slidably connected.Wherein, the minor arc
Shape pedal 4 and secondary arc pedal 5 are arc square tube or arc round tube.
Specifically, as shown in Figure 3-4, the axially disposed sliding rail 7 of 4 exterior portion of minor arc shape pedal, the minor arc shape
4 inboard portion of pedal is connect with main vertical pole 3, the axially disposed sliding slot 8 cooperated with sliding rail 7 in 5 inside of pair arc pedal.On
Stating setting guarantees secondary arc pedal 5 along the axially free sliding of minor arc shape pedal 4 without being limited by connection structure.Above-mentioned setting
After secondary arc pedal 5 slides axially along minor arc shape pedal 4, trail after the auxiliary ladder level sliding being superimposed upon on main ladder support 2,
Extension of the auxiliary ladder as main ladder support 2, expands the entire area of ladder, increases the space of ladder covering,
Constructor is expanded in the scope of activities of ladder.
In the present embodiment, as shown in figure 3, minor arc shape pedal 4 and secondary arc pedal 5 are arc square tube, the minor arc shape is stepped on
The cross section of plate 4 is U-shaped, and the outside of the U-shaped minor arc shape pedal 4 forms sliding rail 7, medial surface on the pair arc pedal 5
8 outward buckle U-shaped minor arc shape pedal of sliding slot, 4 exterior portion.Sliding slot 8 on the pair arc pedal 5 is and sliding rail 7, minor arc shape pedal
Divide shape complementary.This set guarantees the stability that secondary arc pedal 5 is slidably connected with minor arc shape pedal 4, effectively avoids secondary arc
The occurrence of derailing of shape pedal 5.In embodiment 2, as shown in figure 4, the cross section of the minor arc shape pedal 4 is I-shaped.
In embodiment 1, the minor arc shape tread length in same plane is longer than the length of secondary arc pedal, in same plane
The circumferential length of circle where the sum of the length of secondary arc pedal and minor arc shape pedal is longer than.In the ladder being arranged in this way, such as Fig. 2 institute
Show, the auxiliary ladder is slid among two main ladder supports, make the both ends of each secondary arc pedal 5 respectively with two sides main ladder support
4 end of minor arc shape pedal be slidably connected.Under this extended state, every layer of minor arc shape pedal 4 and secondary arc pedal 5 are end to end
Connection forms annular pedal.This set not only makes the construction under unfolded state stronger with ladder structure, stable, activity
Angle is 360 degree, and the scope of activities covered is wider, and the complicated construction for large area eminence provides convenience.
When in order to prevent under unfolded state, the pair arc pedal 5 is slided along the axial direction of minor arc shape pedal 4, described
The first positioning through hole, the corresponding first positioning through hole setting second in the both ends of the pair arc pedal 5 is arranged in 4 both ends of minor arc shape pedal
Location hole, the both ends of the pair arc pedal 5 with the first positioning through hole, the pin of second location hole cooperation or screw by distinguishing
Connect adjacent minor arc shape pedal 4 (being not drawn into attached drawing).It can make secondary 5 both ends of arc pedal by above-mentioned setting in a folded configuration
Be fixedly connected on same minor arc shape pedal 4, in the deployed state when make secondary 5 both ends of arc pedal be respectively fixedly connected in left and right two
The minor arc shape pedal 4 of side.
For the structure of further stable ladder, the junction of the main vertical pole 3 and minor arc shape pedal 4 is provided with fixed cross
Bar 9, the both ends of the fixed transverse rod 9 extend through the main vertical pole 3 in two sides and are inserted in the inside of minor arc shape pedal 4, the fixation
The cross section of cross bar 9 is rectangular and triangle.The connection type of above-mentioned fixed transverse rod and main vertical pole 3 and minor arc shape pedal 4 is simple,
And it can prevent minor arc shape pedal 4 from radially sliding along fixed transverse rod 9 occurs, guarantee the firm of ladder structure.
In the present embodiment, the pair vertical pole 6 is a plurality of top and bottom for being respectively fixedly connected with adjacent pair arc pedal 5
Connecting rod.In other embodiments, the pair vertical pole 6 is the company for being clamped with all secondary 5 lateral walls of arc pedals, being spirally connected or welding
Bar.
The seat board 1 includes the left plate 11 that is hinged and right panel 12, described two ladders be hingedly connected to left plate 11 or
The bottom surface of right panel 12,11 right side of left plate are carried out hingedly on the left of right panel 12 by rotary shaft, wherein 11 right upper portion of left plate
Extend the first support arm 13 to right panel, 12 left lower of right panel extends second support arm complementary with the first support arm to the left
14.After the seat board 1 is rotated to be opened, after left plate 11 and right panel 12 are located at same level, first support arm and second
Support arm mutually supports, and left plate 11 and right panel 12 is not only prevented to continue to overturn, and when improving the load-bearing of the seat board 1
Stability.
It is unfolded for the ease of pushing auxiliary ladder to slide it along sliding rail, setting is for grasping on the pair vertical pole 6
Handle.
Construction provided by the utility model is arranged with ladder in tower, and main ladder support is expanded using minor arc shape pedal and stepped on
The load-bearing area of plate and activity covering space, the auxiliary ladder being slidably connected on main ladder support slide axially along minor arc shape pedal and
After expansion, the main ladder support and auxiliary ladder are connected, and minor arc shape pedal and secondary arc pedal, which are end-to-end, to be formed ring-type and step on
Plate, this set not only make the construction under unfolded state stronger with ladder structure, stable, and activity point of view is 360 degree, and
And the scope of activities of covering is wider, provides possibility for the complicated construction of eminence.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The utility model design is subject to equivalent substitution or change, and all these changes or replacement all should belong to appended by the utility model
Scope of protection of the claims.
Claims (10)
1. a kind of construction ladder, which is characterized in that be hingedly connected to the mirror settings of seat board bottom surface including seat board, top
Two main ladder supports and the auxiliary ladder that is slidably connected on main ladder support, wherein each main ladder support includes two of left and right distribution
Main vertical pole, both ends are connected to horizontally disposed no less than 3 minor arc shape pedals of main vertical pole, and two of each main ladder support
Main vertical pole forms two waists of an isosceles trapezoid, and the minor arc shape pedal is axially uniformly distributed along main vertical pole.
2. construction ladder according to claim 1, which is characterized in that the auxiliary ladder includes stepping on minor arc shape
The secondary vertical pole of secondary arc pedal and connection adjacent pair arc pedal that plate is slidably connected.
3. construction ladder according to claim 2, which is characterized in that the minor arc shape pedal and secondary arc pedal
For arc square tube or arc round tube.
4. construction ladder according to claim 3, which is characterized in that the minor arc shape pedal exterior portion is along axis
To setting sliding rail, the minor arc shape pedal inboard portion connect with main vertical pole, pair arc pedal inside it is axially disposed and
The sliding slot of sliding rail cooperation.
5. construction ladder according to claim 4, which is characterized in that the cross section of the minor arc shape pedal is U
Font is I-shaped, and the sliding slot cross section on the pair arc pedal is matched with minor arc shape pedal left cross sectional shape.
6. the construction ladder according to any one of claim 2-5, which is characterized in that the minor arc in same plane
Shape tread length is longer than the length of secondary arc pedal, and the sum of length of secondary arc pedal and minor arc shape pedal in same plane is long
In the circumferential length of place circle.
7. construction ladder according to claim 6, which is characterized in that the minor arc shape pedal both ends setting first
Second location hole is arranged in positioning through hole, corresponding first positioning through hole in both ends of the pair arc pedal, the pair arc pedal
Both ends are by being separately connected adjacent minor arc shape pedal with the first positioning through hole, the pin of second location hole cooperation or screw.
8. construction ladder according to claim 7, which is characterized in that the company of the main vertical pole and minor arc shape pedal
The place of connecing is provided with fixed transverse rod, and the both ends of the fixed transverse rod extend through the main vertical pole in two sides and are inserted in the interior of minor arc shape pedal
Side, the cross section of the fixed transverse rod are rectangular and triangle.
9. construction ladder according to claim 8, which is characterized in that the pair vertical pole is to step on all secondary arcs
The clamping of plate lateral wall, the connecting rod for being spirally connected or welding or the secondary vertical pole include that a plurality of adjacent pair arc that is fixedly connected is stepped on
The connecting rod of the top and bottom of plate.
10. construction ladder according to claim 9, which is characterized in that the seat board includes the left side being hinged
Plate and right panel, two main ladder supports are hingedly connected to the bottom surface of left plate or right panel, pass through rotation on the left of the left plate right side and right panel
Axis carries out hinged, wherein left plate right upper portion extends the first support arm to right panel, and right panel left lower extends and the to the left
Second support arm of one support arm complementation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820468593.8U CN208152923U (en) | 2018-03-30 | 2018-03-30 | A kind of construction ladder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820468593.8U CN208152923U (en) | 2018-03-30 | 2018-03-30 | A kind of construction ladder |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208152923U true CN208152923U (en) | 2018-11-27 |
Family
ID=64380382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820468593.8U Expired - Fee Related CN208152923U (en) | 2018-03-30 | 2018-03-30 | A kind of construction ladder |
Country Status (1)
Country | Link |
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CN (1) | CN208152923U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110259370A (en) * | 2019-06-20 | 2019-09-20 | 中交二航局第四工程有限公司 | A kind of inclination angle can adaptively adjust and the ladder for remaining horizontal of marking time |
-
2018
- 2018-03-30 CN CN201820468593.8U patent/CN208152923U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110259370A (en) * | 2019-06-20 | 2019-09-20 | 中交二航局第四工程有限公司 | A kind of inclination angle can adaptively adjust and the ladder for remaining horizontal of marking time |
CN110259370B (en) * | 2019-06-20 | 2023-12-08 | 中交二航局第四工程有限公司 | Ladder stand with self-adaptive adjustment inclination angle and stepping kept horizontal all the time |
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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: 20181127 Termination date: 20210330 |
|
CF01 | Termination of patent right due to non-payment of annual fee |