CN217001645U - Construction cat ladder passageway that high altitude construction used - Google Patents

Abstract

The utility model provides a construction ladder passage for overhead operation, which meets the passing requirements of constructors and has the advantages of low construction cost, simple operation, high construction efficiency and wide application range. Including the cat ladder body frame, the cat ladder body frame comprises the multistage dowel steel that the equidistant laying on the cliff, wherein, partly pre-buried inside the cliff of dowel steel, another part of dowel steel stretches out the cliff and exposes, and the section rigid coupling that exposes of dowel steel has fixed angle bar, lays on the section that exposes of dowel steel and marks time, one side that the cliff was kept away from to the cat ladder body frame is provided with the railing that is used as the handrail.

Description

Construction cat ladder passageway that high altitude construction used

Technical Field

The utility model relates to the technical field of construction ladder stands, in particular to a construction ladder stand channel for high-altitude operation.

Background

In the field of building construction, the construction of some rock cavern tunnel structures often involves high-altitude construction, and construction operators often need to climb up and down at several hundred meters high altitude to perform construction operation.

For projects with an urgent construction period, which require the subsequent construction work to be continued after the concrete pouring is completed, the passage of constructors becomes an important problem. If the mode that adopts traditional scaffold platform of setting up from bottom to top is used for personnel to pass, this kind of device not only wastes time and energy, and construction cost is higher, and personnel are current convenient inadequately, still can prolong construction period, and this kind of traditional scaffold's security is lower simultaneously, and to high altitude construction, danger is higher.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides the construction ladder passage for the high-altitude operation, which meets the passing requirements of constructors, and has the advantages of low construction cost, simple operation, high construction efficiency and wide application range.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a construction cat ladder passageway that high altitude construction used, includes the cat ladder body frame, the cat ladder body frame comprises the multistage dowel steel that the equidistant was laid on the cliff, wherein, partly pre-buried inside the cliff of dowel steel, another part of dowel steel stretches out the cliff and exposes, and the section rigid coupling that exposes of dowel steel has fixed angle bar, has laid on the section that exposes of dowel steel and has marked time, one side that the cliff was kept away from to the cat ladder body frame is provided with the railing that is used as the handrail.

Preferably, the cat ladder body frame divide into vertical ladder section and horizontal passageway section, the anchor bar of vertical ladder section is cascaded arrangement, horizontal passageway section is arranged in the top of vertical ladder section, the anchor bar of horizontal passageway section is arranged along the equidistance of horizontal direction.

Preferably, the length ratio of the exposed section of the anchor bar to the embedded section of the anchor bar is 1: 2.

Preferably, the framework of the step is made of angle iron.

Preferably, the ratio of the arrangement space of the anchor bars to the arrangement space of the steps is 3: 1.

Preferably, the exposed section of the anchor bar is welded with the fixed angle iron.

Preferably, the railing includes along the horizontal pole of the top of cat ladder body frame and cat ladder body frame parallel arrangement, the vertical pole that is provided with between horizontal pole and the cat ladder body frame.

Preferably, the horizontal rod and the vertical rod are both made of square steel tubes, and the horizontal rod and the vertical rod are welded to form the handrail.

Preferably, a safety net is hung on the railing.

Preferably, a wood springboard is laid on the step, and the wood springboard is bound and fixed with the step.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model provides a construction ladder stand channel for high-altitude operation, which is used for high-altitude operation personnel to pass by replacing a traditional scaffold platform. On the premise of ensuring safety, the quality and quantity guarantee of track installation and secondary concrete pouring of the rock-anchored beam bridge crane are completed, the construction cost is reduced in the construction process, the construction progress is accelerated, the construction difficulty is reduced, the operation is easy, the efficiency is high, and the application range is wide.

Drawings

FIG. 1 is a schematic structural view of a construction ladder passage of the present invention;

FIG. 2 is a schematic view of the step of the present invention;

FIG. 3 is a front elevation view of a construction ladder channel of the present invention;

FIG. 4 is a side view of the construction ladder passageway of the present invention;

FIG. 5 is an enlarged view of a portion of the utility model at A in FIG. 3;

FIG. 6 is an enlarged view of a portion of the utility model at B in FIG. 3;

fig. 7 is a partial enlarged view of the utility model at C in fig. 3.

In the figure, the anchor bars 1, the fixed angle irons 2, the steps 3, the railings 4, the horizontal rods 41 and the vertical rods 42.

Detailed Description

In order to make the technical solutions of the present invention better understood, 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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The utility model is described in further detail below with reference to the accompanying drawings:

as shown in fig. 1, 3 and 4, the construction ladder stand channel for high-altitude operation comprises a ladder stand main frame, wherein the ladder stand main frame is composed of a plurality of anchor bars 1 which are arranged on a rock wall at equal intervals, one part of each anchor bar 1 is embedded in the rock wall, the other part of each anchor bar 1 extends out of the rock wall and is exposed, the exposed part of each anchor bar 1 is fixedly connected with a fixed angle iron 2, the exposed part of each anchor bar 1 is provided with a step 3, and one side of the ladder stand main frame, which is far away from the rock wall, is provided with a handrail 4 serving as a handrail.

The utility model provides a construction ladder stand channel for high-altitude operation, which replaces the building of a traditional scaffold platform for the passage of operators when the high-altitude operation on a tunnel rock wall is required to be carried out in construction projects such as the installation of a rock anchor beam bridge machine track, the second-stage concrete pouring and the like, adopts a self-made construction ladder stand channel on the rock wall, particularly adopts a structure that an anchor bar 1 is taken as a ladder stand main frame, the anchor bar 1 is partially embedded into rock, the ladder stand main frame is fixedly connected with the rock wall through the embedded part of the anchor bar 1, the bearing capacity of an embedded part of the anchor bar 1 can be enhanced by the bearing capacity of the rock wall, so that the connection between the ladder stand and the rock wall is more reliable, meanwhile, the exposed section exposed outside the rock wall is fixedly connected with a corresponding fixed angle iron 2, so that the exposed section of the anchor bar 1 and the fixed angle iron 2 form a stable triangular support system, the stability of cat ladder is further improved to improve the security of high altitude construction personnel construction. On the premise of ensuring safety, the quality and quantity guarantee of track installation and secondary concrete pouring of the rock-anchored beam bridge crane are completed, the construction cost is reduced in the construction process, the construction progress is accelerated, the construction difficulty is reduced, the operation is easy, the efficiency is high, and the application range is wide.

Further, as shown in fig. 1 and 3, the ladder stand main frame is divided into a vertical ladder section and a horizontal passage section, the anchor bars 1 of the vertical climbing sections are arranged in a step manner, the design height can be set to be corresponding to the specific construction working condition requirement, so that the construction operators can conveniently go up and down, the horizontal channel section is arranged at the top of the vertical stair climbing section, the anchor bars 1 of the horizontal channel section are arranged at equal intervals along the horizontal direction, the horizontal channel is formed at the height of required operation, so that construction workers can conveniently perform high-altitude operation, the safety and the stability of the high-altitude operation are improved, the constructors can directly perform horizontal movement at the position of the altitude height through the horizontal channel section when performing the high-altitude operation without first getting down a part after construction, the ladder stand is moved to the next operation position to continue operation in a climbing mode, the construction progress can be accelerated, and the construction operation is simplified.

Preferably, the length ratio of the exposed section of the anchor bar 1 to the embedded section of the anchor bar 1 is 1:2, the length selection of the embedded section has an important effect on improving the shear strength and the bearing strength of the ladder stand, the length of the embedded section of the anchor bar 1 can improve the bearing performance and the tensile and shear resistance of the ladder stand channel as much as possible according to the actual working condition requirements and a calculation manual under the condition of meeting the requirement of the minimum anchoring length of the anchor bar 1, and meanwhile, the exposed section of the anchor bar 1 is fixedly connected with the fixed angle iron 2 and used for enhancing the bearing capacity of the exposed section of the anchor bar 1.

As shown in fig. 2, the framework of the step 3 is made of angle iron, the framework of the step 3 is made of corresponding angle iron which can meet the bearing requirement, and the corresponding panel is selected and laid on the framework, so that the bearing capacity of the panel also meets the bearing requirement.

Preferably, the ratio of the arrangement interval of the anchor bars 1 to the arrangement interval of the steps 3 is 3:1, namely three steps 3 are arranged in two adjacent anchor bars 1 in the vertical ladder stand section.

As shown in fig. 6 and 7, the exposed section of the anchor bar 1 is welded with the fixed angle iron 2, and the welding quality meets the specification requirement.

Further, as shown in fig. 5, the balustrade 4 includes a horizontal rod 41 disposed above the ladder stand main frame in parallel with the ladder stand main frame, and a vertical rod 42 is vertically disposed between the horizontal rod 41 and the ladder stand main frame.

Preferably, the horizontal rod 41 and the vertical rod 42 are both made of square steel tubes, the horizontal rod 41 and the vertical rod 42 are welded to form the handrail 4 used as a safety handrail, and the height, the length and the arrangement interval of the horizontal rod 41 and the vertical rod 42 need to meet the specification requirements.

Further, a safety net needs to be fully hung on the railing 4, so that the safety of the ladder climbing channel for the stonemason is further guaranteed.

Preferably, a wood springboard is laid on the framework of the step 3 and used as a supporting panel, and the wood springboard is firmly bound with angle iron for manufacturing the step 3 by adopting a thick iron wire.

Examples

The utility model provides an embodiment of a construction ladder stand channel for high-altitude operation during construction, which is specifically realized in the following way:

in order to complete the track installation and second-stage concrete pouring of the rock-anchored beam bridge crane with quality and quantity guarantee, the construction ladder passage is assembled on the premise of ensuring safe construction, according to the working condition of the construction tunnel, the horizontal passage section of the ladder passage is arranged at the height of 1343.8m, and the bottom end of the vertical ladder section of the ladder passage is arranged at the height of 1337.8 m.

By laying on the rock wall

25 anchor bars 1 (the diameter is 25mm), L50 angle iron (equal angle steel with the edge width of 50mm) is welded on the exposed sections of the anchor bars 1 to jointly form a triangular support system, the triangular support system is provided with vertical stair climbing sections according to the horizontal distance of 1.2m in a step shape, and horizontal channel sections are provided according to the horizontal distance of 1.2 m;

in this embodiment, the length L of the anchor bar 1 is 3.0m, and the diameter thereof

The anchor bar 1 is 25mm, the embedded depth of the anchor bar 1 in rock is 2.0m, and the length of an exposed section of the anchor bar 1 is 1.0 m; the L50 angle iron is firmly welded with the exposed section of the anchor bar 1, and the anchor bar 1 is manufactured by adopting mortar with the strength of 3000 psi;

in the embodiment, the framework of the stair climbing step 3 is made of L30 angle iron (equal angle steel with the edge width of 30mm), wherein the height of the step 3 is 190mm, and the width is 333 mm;

in the embodiment, a safety handrail with the height of 1.2m is arranged on the outer side of the ladder stand, the handrail is manufactured by welding 50 square steel pipes (the side length is 50mm) and 30 square steel pipes (the side length is 30mm), wherein the horizontal rod 41 is provided with 3 30 square steel pipes which are parallel to the ladder stand main frame, the height of the vertical rod 42 is 1.2m, and a safety net needs to be fully hung on the ladder stand handrail;

in this embodiment, the platform of 3 and the horizontal passage section of marking time of vertical stair-climbing section is all full on the plank gangboard of paving, and the plank gangboard adopts thick iron wire and 3 angles and the 2 ligatures of fixed angle of 3 skeletons of marking time firmly.

Finally, it should be noted that: although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made to the embodiments of the utility model without departing from the spirit and scope of the utility model, which is to be covered by the claims.

Claims (10)

1. The utility model provides a construction cat ladder passageway that high altitude construction used, its characterized in that, includes the cat ladder body frame, the cat ladder body frame comprises multistage dowel steel (1) that equidistant laying on the cliff, wherein, partly pre-buried inside the cliff of dowel steel (1), another part of dowel steel (1) stretches out the cliff and exposes, and the section rigid coupling that exposes of dowel steel (1) has fixed angle bar (2), has laid on the section that exposes of dowel steel (1) and has marked time (3), one side that the cliff was kept away from to the cat ladder body frame is provided with railing (4) as the handrail.

2. The construction ladder stand channel for the aerial work is characterized in that the ladder stand main frame is divided into a vertical ladder section and a horizontal channel section, anchor bars (1) of the vertical ladder section are arranged in a stepped mode, the horizontal channel section is arranged at the top of the vertical ladder section, and the anchor bars (1) of the horizontal channel section are arranged at equal intervals in the horizontal direction.

3. The construction ladder stand channel for the high-altitude operation is characterized in that the length ratio of the exposed section of the anchor bar (1) to the embedded section of the anchor bar (1) is 1: 2.

4. The construction ladder passageway for high-altitude operations as claimed in claim 1, wherein the framework of the tread (3) is made of angle iron.

5. The construction ladder passageway for high-altitude operations as claimed in claim 1, wherein the ratio of the arrangement pitch of the anchor bars (1) to the arrangement pitch of the treads (3) is 3: 1.

6. A construction ladder channel for high-altitude operations according to claim 1, characterised in that the exposed section of the tendon (1) is welded to the fixed angle iron (2).

7. The construction ladder stand channel for the aerial work is characterized in that the railing (4) comprises a horizontal rod (41) which is arranged above the ladder stand main frame in parallel with the ladder stand main frame, and a vertical rod (42) is vertically arranged between the horizontal rod (41) and the ladder stand main frame.

8. The construction ladder passageway for high altitude construction according to claim 7, characterized in that, the horizontal pole (41) and the vertical pole (42) are both made of square steel tube, and the horizontal pole (41) and the vertical pole (42) are welded to form the railing (4).

9. A construction ladder walkway for high altitude construction according to claim 1, wherein a safety net is hung on the balustrade (4).

10. The construction ladder passageway for high-altitude operation is characterized in that a wood springboard is laid on the step (3) and is bound and fixed with the step (3).

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