CN212671533U - Foldable multi-pivot inclined ladder - Google Patents

Foldable multi-pivot inclined ladder Download PDF

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Publication number
CN212671533U
CN212671533U CN202020721489.2U CN202020721489U CN212671533U CN 212671533 U CN212671533 U CN 212671533U CN 202020721489 U CN202020721489 U CN 202020721489U CN 212671533 U CN212671533 U CN 212671533U
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Prior art keywords
ladder
base
pole
stress rod
section
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CN202020721489.2U
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Chinese (zh)
Inventor
王栋斌
徐书华
刘鸿
徐静
何云罗
李涛
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Third Construction Co Ltd of China Construction Third Engineering Division
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Third Construction Co Ltd of China Construction Third Engineering Division
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Abstract

The utility model provides a collapsible multiple fulcrum inclined ladder, including base, inclined ladder and the main support atress pole of supporting on the base, the inclined ladder supports on the base and leans on to one side on the main tributary props the atress pole, the inclined ladder includes two handrail pole settings and a plurality of ladder steps, each the both ends of ladder step link to each other with a handrail pole setting respectively, and the ladder step that leans on the main tributary props the atress pole can be dismantled with the main tributary props the atress pole and be connected, and two handrail pole settings can be dismantled with the base and be connected, the handrail pole setting includes two at least handrail pole sections, and two adjacent handrail pole sections link to each other through first collapsible hinge between, the main tributary props the atress pole and includes two at least atress pole sections, and two adjacent atress pole sections link to each other through the collapsible hinge of second between, and the atress pole section of keeping away from the base is the telescopic sleeve pipe, and.

Description

Foldable multi-pivot inclined ladder
Technical Field
The utility model relates to a tool field of ascending a height between stairwell especially relates to a collapsible multi-fulcrum inclined ladder.
Background
The construction of the staircase is mostly carried out at high altitude, and the construction is carried out according to the general rules of civil building design (GB 50352-2005): the clear height of the upper and lower passageways of the stair platform is not less than 2m, the clear height of the stair sections is not less than 2.20m, and the high falling safety risk of not less than 4 m exists in the area close to the lower portion of the stair platform during the construction operation of the stairwell.
Because the space of the staircase is limited, the threading and installation of the traditional staircase ceiling lamp are usually performed by adopting a door-shaped movable operating platform or a herringbone ladder, the door-shaped movable operating platform or the herringbone ladder has large size, the installation and the movement are inconvenient, the construction efficiency is seriously reduced, and the manual efficiency ratio is low.
The staircase construction adopts door type removal operation platform or double ladder as the operation tool safety belt of ascending a height, safety rope does not have fixed ligature point, and in case door type removal operation platform or double ladder unstability during the operation, operation personnel can produce the high place and fall the safety risk.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a collapsible many fulcrums inclined ladder to aerial work uses the instrument of ascending a height when solving the staircase construction and leads to the manual work to fall and imitate and safety protection scheduling problem.
The utility model discloses a realize like this:
the utility model provides a collapsible multiple fulcrum inclined ladder, including base, inclined ladder and the main support atress pole of supporting on the base, the inclined ladder supports on the base and leans on to one side on the main tributary props the atress pole, the inclined ladder includes two handrail pole settings and a plurality of ladder steps, each the both ends of ladder step link to each other with a handrail pole setting respectively, and the ladder step that leans on the main tributary props the atress pole can be dismantled with the main tributary props the atress pole and be connected, and two handrail pole settings can be dismantled with the base and be connected, the handrail pole setting includes two at least handrail pole sections, and two adjacent handrail pole sections link to each other through first collapsible hinge between, the main tributary props the atress pole and includes two at least atress pole sections, and two adjacent atress pole sections link to each other through the collapsible hinge of second between, and the atress pole section of keeping away from the base is the telescopic sleeve pipe, and.
Preferably, an inner sleeve is arranged in the stressed rod section far away from the base, the telescopic self-locking device comprises a gear capable of self-locking, a rack matched with the gear is arranged on the outer wall of the inner sleeve, the gear is arranged on the outer surface of the stressed rod section far away from the base, and an opening for meshing the gear and the rack is formed in the stressed rod section far away from the base.
Preferably, the base is the tripod, the base is including supporting the support and the three landing leg of main support stress pole in subaerial, three the contained angle of landing leg two liang is 120, three the landing leg all links to each other with the support, three the tip that the support was kept away from to the landing leg all is equipped with the first sucking disc that links to each other with ground, and wherein two landing legs are put on the shelf and are equipped with an installation pipe, enclose synthetic isosceles triangle between installation pipe and the two corresponding landing legs, two handrail pole settings all support in on the installation pipe.
Preferably, the top of the main supporting stress rod is provided with a second suction cup connected with the top wall surface.
Preferably, all three of the legs are telescopic sleeves.
Preferably, the ladder step comprises at least two ladder step sections, and two adjacent ladder step sections are connected through a third foldable hinge.
Preferably, the ladder step comprises first ladder step section and second ladder step section, is equipped with the first inner skleeve that the slidable stretches into in the second ladder step section in the first ladder step section, has seted up first spout on the first ladder step section, be equipped with on the first inner skleeve with first spout sliding fit's first arch, first arch stretches out first ladder step section through first spout.
Preferably, the main supporting stress rod is composed of a first stress rod section and a second stress rod section supported on the base, a second inner sleeve capable of slidably extending into the second stress rod section is arranged in the first stress rod section, a second sliding groove is formed in the first stress rod section, a second protrusion in sliding fit with the second sliding groove is arranged on the second inner sleeve, and the second protrusion extends out of the first stress rod section through the second sliding groove.
Preferably, the top of the main supporting stress rod is provided with a safety belt hanging ring for penetrating a safety rope.
The utility model discloses following beneficial effect has:
the utility model provides a collapsible many fulcrums companion ladder mainly used can't set up the regional eminence operation of removal operation platform and use in stairwell etc. main tributary props atress pole, companion ladder and all adopts collapsible design, and the installation is dismantled and is removed conveniently, and occupation space is little, improves efficiency of construction and security, and the main tributary props and is equipped with the safety belt that is used for wearing to establish the safety rope on the atress pole, plays the safety protection effect to the staff, stops the potential safety hazard that the eminence falls.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a foldable multi-pivot inclined ladder according to an embodiment of the present invention;
fig. 2 is a schematic view of a tripod provided by an embodiment of the present invention;
fig. 3 is a schematic view of a main supporting force-bearing rod provided by an embodiment of the present invention;
fig. 4 is a schematic view of another angle of the foldable multi-pivot inclined ladder according to the embodiment of the present invention;
fig. 5 is an internal schematic diagram of the telescopic self-locking device provided by the embodiment of the present invention.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-5, an embodiment of the present invention provides a foldable multi-fulcrum inclined ladder, which comprises a base 1, an inclined ladder 2 and a main supporting stress rod 3 supported on the base, wherein the inclined ladder 2 is supported on the base 1 and leans against the main supporting stress rod 3, the inclined ladder 2 comprises two handrail upright rods 4 and a plurality of steps 5, two ends of each step 5 are respectively connected with one handrail upright rod 4, the step 5 leaning against the main supporting stress rod is detachably connected with the main supporting stress rod 3, the two handrail upright rods 4 are detachably connected with the base 1, the handrail upright rods 4 comprise at least two handrail upright rod sections, two adjacent handrail upright rod sections 4 are connected through a first foldable hinge 6, the main supporting stress rod 3 comprises at least two stress rod sections, two adjacent stress rod sections are connected through a second foldable hinge 7, the stress rod section far away from the base is a telescopic sleeve, the stressed rod section far away from the base is provided with a telescopic self-locking device. The utility model provides a collapsible many fulcrums inclined ladder mainly used can't set up the regional aerial work of removal operation platform and use in stairwell etc. and main tributary props atress pole 3, inclined ladder 2 and all adopts collapsible design, and the installation is dismantled and is removed the facility, and occupation space is little, improves efficiency of construction and security.
Be equipped with an interior sleeve pipe 8 in the atress pole section of keeping away from the base, flexible self-lock device is including the gear 9 that can auto-lock, be equipped with on the outer wall of interior sleeve pipe 8 with gear 9 complex rack 21, gear 9 locates on the atress pole section surface of keeping away from the base, offers the opening that supplies gear 9 and rack 21 to mesh on the atress pole section of keeping away from the base. The telescopic self-locking device further comprises a rotatable control handle 22, a first rotatable locking part 23 for locking the gear 9, a first return spring 24 for returning the first rotatable locking part 23, a second rotatable locking part 25 for locking the gear 9, and a second return spring 26 for returning the second rotatable locking part 25, wherein the rotatable control handle 22 is connected with a central shaft of the gear 9, as shown in fig. 5, when the rotatable control handle 22 rotates clockwise and downwards, the gear 9 is driven to rotate, and then the inner sleeve 8 is driven to move upwards, when the inner sleeve 8 is stretched to a certain position, the rotatable control handle 22 stops rotating, the first rotatable locking part 23 and the second rotatable locking part 25 are fixed, and the gear 9 is locked by the first rotatable locking part 23 and the second rotatable locking part 25. The self-locking of the gear 9 can also be realized in a way of fixing the central shaft of the gear, and also in a way of clamping two side surfaces of the gear, which are vertical to the central shaft.
The base 1 is a tripod, the base 1 comprises a support 10 for supporting a main supporting stress rod 3 and three support legs 11 supported on the ground, the included angle between every two of the support legs 11 is 120 degrees, the three support legs 11 are all connected with the support 10, the end parts, far away from the support 10, of the three support legs 11 are all provided with first suction cups 12 connected with the ground, the three first suction cups 12 adopt equilateral triangles to form a stable support system as ground supporting points, wherein an installation pipe 13 is erected on the two support legs 11, the installation pipe 13 and the two corresponding support legs 11 are enclosed into an isosceles triangle, an inclined ladder 2 adopts isosceles triangle ladder feet to be fixed on the ground suction cups, the top parts of the inclined ladders are fixed on the main supporting stress rod 3 to form a triangular stable support system, the two handrail upright rods 4 are both supported on the installation pipe 13, the top part of the main supporting stress rod 3 is provided with second suction cups 14 connected with the top wall surface of a staircase, according to the principle of triangle stability, the main supporting stress rod and the upper and lower suckers are used for being adsorbed on the ground and the top plate of the staircase as main stress supporting rods. The top of main support stress pole 3 is equipped with the safety belt rings 18 that are used for wearing to establish safety rope, safety belt, and safety belt rings 18 are fixed in the 14 below of second sucking disc, play the safety protection effect to the staff, stop the potential safety hazard that the eminence falls, three landing leg 11 is the telescopic sleeve pipe, and in this embodiment, each landing leg 11 all includes an outer tube and an inner tube, and the inner tube is close to the one end bore increase of support 10 for the inner tube draws and can not break away from the outer tube after stretching out.
Step 5 includes two at least ladder step sections, links to each other through collapsible hinge 15 of third between two adjacent ladder step sections. Ladder step 5 comprises first ladder step section and second ladder step section, is equipped with the first inner skleeve 20 that the slidable stretches into in the second ladder step section in the first ladder step section, has seted up first spout 16 on the first ladder step section, be equipped with on the first inner skleeve with 16 sliding fit's of first spout first arch, first arch stretches out first ladder step section through first spout 16. The main stress supporting rod 3 consists of a first stress rod section and a second stress rod section supported on the base, a second inner sleeve capable of sliding into the second stress rod section is arranged in the first stress rod section, a second sliding groove 17 is formed in the first stress rod section, a second protrusion in sliding fit with the second sliding groove 17 is arranged on the second inner sleeve, and the second protrusion extends out of the first stress rod section through the second sliding groove 17. In addition, an inner sleeve is also arranged at the hinge of the handrail upright rod 4. Each foldable hinge is provided with an inner sleeve, and the inner sleeve slides to the hinge to play a role in fixing and supporting.
The main support stress rod is slidably sleeved with an inclined ladder locking device 19, the inclined ladder locking device 19 can slide to adapt to different inclined ladder heights, and ladder steps on the main support stress rod are fixedly connected with the inclined ladder locking device 19.
The utility model discloses chooseing for use zinc-plated square steel pipe as the main tributary to support the atress pole, the bottom sets up triangle-shaped sucking disc support, and the top sets up the sucking disc, and the atress pole section of keeping away from the base sets up mechanical gear self-lock device and ensures the main atress pole fastness of supporting. The main supporting stress rod is provided with a slidable inclined ladder locking device 19, the bottom mounting pipe 13 is provided with two fixed supporting points as inclined ladder stress points, and a triangular stable system of the inclined ladder is ensured. The top sucker is provided with a safety belt and a safety rope hanging lifting ring to ensure the safety of high-altitude operation.
Main support atress pole 3, handrail pole setting 4, ladder step 5 all adopt bolt fastening, scalable inner skleeve locking to consolidate, collapsible hinge design, ensure the convenience and the high efficiency of equipment, dismouting, removal.
The utility model discloses a debugging process: the first step is fixed main support stress pole, the fixed handrail pole setting of second step, the fixed ladder step of third step, and the operation can begin to the fourth step hanging safety belt, safety rope.
The utility model has the advantages as follows:
1. safety aspects
The triangular stability principle is adopted, and the device is supported at multiple points, mechanically locked and good in stability;
multiple protection, both ensured the safety steadiness of inclined ladder, add safety belt, safety rope fixed point simultaneously, the security is high.
2. Technical aspects
The whole device has simple working principle and simple and convenient installation, disassembly, movement and maintenance;
the space is limited little, and the range of application is wide.
3. Economic aspect
The whole device is simple in structure, is assembled by adopting conventional materials, and is low in manufacturing cost and low in use and maintenance cost;
by adopting the foldable telescopic design, the device is quick to install, simple and convenient to use, simple to disassemble and move and capable of effectively providing manual work efficiency.
4. Energy saving and environmental protection
The foldable telescopic design is adopted, so that the occupied space is small and the carrying is convenient;
the aluminum alloy square steel tube is adopted for manufacturing, mechanical processing is carried out, no welding is carried out, and the aluminum alloy square steel tube is environment-friendly and energy-saving.
The main supporting stress rod 3 and the handrail upright stanchion 4 are made of 50 x 5 square steel pipes, the supporting legs 11 of the tripod and the ladder steps 5 are made of 40 x 4 square steel pipes, all the hinges are reinforced and locked by inner sleeves, the main supporting stress rod 3 is made of a strong sucker and a mechanical gear self-locking device to realize the strong suction of the sucker and the floor and the top surface, the stability of the stress rod is ensured, the inclined ladder 2 is fixed at a tripod fixed point and the main supporting stress rod 3 fixed point to be locked to ensure the stress stability of the inclined ladder, and the top safety belt lifting ring 18 avoids the potential safety hazard of falling from high places.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A foldable multi-supporting-point inclined ladder is characterized in that: including base, inclined ladder and the main support atress pole of support on the base, the inclined ladder supports on the base and leans on to one side on the main tributary props the atress pole, the inclined ladder includes two handrail pole settings and a plurality of ladder steps, each the both ends of ladder step are connected with a handrail pole setting respectively, lean on ladder steps and main tributary props the atress pole on the main tributary props the atress pole and can dismantle with the main tributary and be connected, and two handrail pole settings can dismantle with the base and be connected, the handrail pole setting includes two at least handrail pole sections, and adjacent two handrail pole sections link to each other through first collapsible hinge between, the main tributary props the atress pole and includes two at least atress pole sections, and adjacent two atress pole sections link to each other through the collapsible hinge of second between, and the atress pole section of keeping away from the base is the telescopic sleeve pipe, and the.
2. The foldable multi-pivot ramp as recited in claim 1, further comprising: an inner sleeve is arranged in the stress rod section far away from the base, the telescopic self-locking device comprises a gear capable of self-locking, a rack matched with the gear is arranged on the outer wall of the inner sleeve, the gear is arranged on the outer surface of the stress rod section far away from the base, and an opening for meshing the gear and the rack is formed in the stress rod section far away from the base.
3. The foldable multi-pivot ramp as recited in claim 1, further comprising: the base is the tripod, the base is including supporting the support and the three landing leg of main support stress pole in subaerial, three the contained angle of landing leg two liang within a definite time is 120, three the landing leg all links to each other with the support, three the tip that the support was kept away from to the landing leg all is equipped with the first sucking disc that links to each other with ground, and wherein two landing legs are put on the shelf and are equipped with an installation pipe, enclose synthetic isosceles triangle-shaped between installation pipe and the two landing legs that correspond, two handrail pole settings all support in on the installation pipe.
4. The foldable multi-pivot ramp as recited in claim 3, further comprising: the top of the main supporting stress rod is provided with a second sucker connected with the top wall surface.
5. The foldable multi-pivot ramp as recited in claim 3, further comprising: and thirdly, the supporting legs are telescopic sleeves.
6. The foldable multi-pivot ramp as recited in claim 1, further comprising: the ladder step includes two at least ladder step sections, links to each other through the collapsible hinge of third between two adjacent ladder step sections.
7. The foldable multi-pivot ramp as recited in claim 6, further comprising: the ladder step comprises first ladder step section and second ladder step section, is equipped with the first inner skleeve that the slidable stretches into in the second ladder step section in the first ladder step section, has seted up first spout on the first ladder step section, be equipped with on the first inner skleeve with first spout sliding fit's first arch, first arch stretches out first ladder step section through first spout.
8. The foldable multi-pivot ramp as recited in claim 1, further comprising: the main stress supporting rod is composed of a first stress rod section and a second stress rod section supported on the base, a second inner sleeve capable of sliding into the second stress rod section is arranged in the first stress rod section, a second sliding groove is formed in the first stress rod section, a second protrusion in sliding fit with the second sliding groove is arranged on the second inner sleeve, and the second protrusion extends out of the first stress rod section through the second sliding groove.
9. The foldable multi-pivot ramp as recited in claim 1, further comprising: the top of the main supporting stress rod is provided with a safety belt hanging ring used for penetrating a safety rope.
CN202020721489.2U 2020-05-06 2020-05-06 Foldable multi-pivot inclined ladder Active CN212671533U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020721489.2U CN212671533U (en) 2020-05-06 2020-05-06 Foldable multi-pivot inclined ladder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020721489.2U CN212671533U (en) 2020-05-06 2020-05-06 Foldable multi-pivot inclined ladder

Publications (1)

Publication Number Publication Date
CN212671533U true CN212671533U (en) 2021-03-09

Family

ID=74815788

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020721489.2U Active CN212671533U (en) 2020-05-06 2020-05-06 Foldable multi-pivot inclined ladder

Country Status (1)

Country Link
CN (1) CN212671533U (en)

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