Vertical shaft excavation auxiliary device

Abstract

The utility model discloses a vertical shaft excavation auxiliary device which comprises an upper supporting disc, a lower supporting disc, a vertical supporting column, a hanging ladder and a protective fence, and a passing opening is formed in the center of the upper supporting disc; the lower supporting disc and the upper supporting disc are oppositely arranged and are parallel to each other; the vertical supporting columns are arranged between the upper supporting disc and the lower supporting disc, the multiple vertical supporting columns are evenly distributed in the circumferential direction of the lower supporting disc, and a first distance is formed between each vertical supporting column and the center of the lower supporting disc; the hanging ladder is arranged between the upper supporting disc and the lower supporting disc, and the top of the hanging ladder is arranged on the edge of the passing opening. The protective guard is distributed in the circumferential direction of the lower supporting disc, and a second interval is formed between the protective guard and the center of the lower supporting disc and is larger than the first interval. A constructor can move from the upper supporting disc to the lower supporting disc through the passing opening by means of the hanging ladder, works on the surface of the lower supporting disc and is protected by the upper supporting disc, impact of vertically-falling objects can be relieved, and the safety of the working environment is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of tunnel engineering, in particular to a vertical shaft excavation auxiliary device. BACKGROUND

[0002] Highway tunnel engineering includes tunnel main body engineering and vertical shaft auxiliary engineering, wherein, the highway tunnel vertical shaft is an important structure set to solve the ventilation problem of long and large tunnels, the vertical shaft and the inclined shaft and the ventilation system of the main body form a circulating loop, improve the ventilation capacity of the tunnel, and at the same time increase the natural lighting of the tunnel, reduce the inclined shaft ventilation, emergency and other tasks.

[0003] In the prior art, the vertical shaft is usually excavated with the help of an auxiliary device, but the existing auxiliary device lacks effective excavation capacity and has low safety. CONTENT OF THE UTILITY MODEL

[0004] To solve the above technical problems, the present application provides a vertical shaft excavation auxiliary device, which comprises: an upper support disc, the center of the upper support disc is provided with a passageway; a lower support disc is arranged opposite to the upper support disc, and the lower support disc and the upper support disc are parallel to each other; a vertical support column is arranged between the upper support disc and the lower support disc, and the vertical support column has a plurality of vertical support columns, which are uniformly distributed along the circumference of the lower support disc, and the vertical support column has a first distance from the center of the lower support disc; a hanging ladder is arranged between the upper support disc and the lower support disc, and the top of the hanging ladder is arranged at the edge of the passageway; a guardrail is arranged along the circumference of the lower support disc, and the guardrail has a second distance from the center of the lower support disc, and the second distance is greater than the first distance.

[0005] In some embodiments of the present application, the vertical shaft excavation auxiliary device further comprises a plurality of lifting rings, and the plurality of lifting rings are arranged on the top of the upper support disc along the circumference of the upper support disc.

[0006] In some embodiments of the present application, the upper support disc comprises a first top panel, a second top panel, a plurality of first transverse connecting rods and a plurality of first longitudinal connecting rods, the first transverse connecting rods and the first longitudinal connecting rods are arranged between the first top panel and the second top panel, and are fixedly connected with the first top panel and the second top panel.

[0007] In some embodiments of the present application, the vertical shaft excavation auxiliary device further comprises a plurality of transverse reinforcing beams and a plurality of longitudinal reinforcing beams arranged at the bottom of the second top panel, and the transverse reinforcing beams and the longitudinal reinforcing beams are arranged alternately.

[0008] In some embodiments of the present application, the lower support disc comprises a first bottom panel, a second bottom panel, and a plurality of second transverse connecting rods and a plurality of second longitudinal connecting rods, the second transverse connecting rods and the second longitudinal connecting rods are staggered, arranged between the first bottom panel and the second bottom panel, and fixedly connected with the first bottom panel and the second bottom panel.

[0009] In some embodiments of the present application, the protective fence comprises a ring-shaped support and a plurality of support legs arranged around the ring-shaped support.

[0010] In some embodiments of the present application, the upper support disc and the lower support disc are both disc-shaped, and the diameter of the upper support disc is greater than the diameter of the lower support disc.

[0011] In some embodiments of the present application, the passage is rectangular.

[0012] In some embodiments of the present application, the shaft excavation auxiliary device further comprises a protective cover, which is movably connected with the passage and can cover the passage.

[0013] In some embodiments of the present application, the number of vertical support columns is at least four.

[0014] The beneficial effects of the present application: the utility model discloses a kind of shaft excavation auxiliary device, including upper support disc, lower support disc, vertical support column, hanging ladder and protective fence, the center of upper support disc is provided with passage;Lower support disc is oppositely arranged with upper support disc, and lower support disc and upper support disc are parallel to each other;Vertical support column is arranged between upper support disc and lower support disc, and vertical support has a plurality of, and it is evenly distributed along the circumference of lower support disc, and the center of vertical support column and lower support disc has first spacing;Hanging ladder is arranged between upper support disc and lower support disc, and the top of hanging ladder is arranged on the edge of passage;Protective fence is distributed along the circumference of lower support disc, and the center of protective fence and lower support disc has second spacing, and second spacing is greater than first spacing.Construction personnel can walk from upper support disc to lower support disc from passage by means of hanging ladder, and work on the surface of lower support disc, and be protected by upper support disc, can slow down the impact of vertically falling object, improve the safety of working environment. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can also be obtained by those skilled in the art without creative effort based on these drawings.

[0016] Figure 1It is a perspective view of the vertical shaft excavation auxiliary device;

[0017] Figure 2 It is a side view of the vertical shaft excavation auxiliary device;

[0018] Figure 3 It is a perspective view of the guardrail in the vertical shaft excavation auxiliary device;

[0019] Figure 4 It is a bottom view of the upper support disc of the vertical shaft excavation auxiliary device. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other alternative embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0021] As shown in the drawings, Figures 1 to 4 As an embodiment of the vertical shaft excavation auxiliary device 100, the vertical shaft excavation auxiliary device 100 comprises an upper support disc 10, a lower support disc 20, vertical support columns 30, a hanging ladder 40 and a guardrail 50. The shapes of the upper support disc 10 and the lower support disc 20 are adapted to the shape of the vertical shaft. The upper support disc 10 and the lower support disc 20 are oppositely arranged and parallel to each other. The vertical support columns 30 are arranged between the upper support disc 10 and the lower support disc 20. The vertical support columns 30 are multiple and uniformly distributed along the circumference of the lower support disc 20, so that the upper support disc 10 and the lower support disc 20 are connected into a whole. The center of the upper support disc 10 is provided with a passage 11. The hanging ladder 40 is arranged between the upper support disc 10 and the lower support disc 20, and the top of the hanging ladder 40 is arranged at the edge of the passage 11, so that the construction personnel can walk from the upper support disc 10 to the lower support disc 20 by means of the hanging ladder 40 from the passage 11 and stand on the surface of the lower support disc 20 to work. When the construction personnel works on the lower support disc 20, the top thereof is protected by the upper support disc 10, so as to slow down the impact of the vertically falling objects, thereby improving the safety of the working environment.

[0022] Secondly, the vertical support columns 30 have a first spacing from the center of the lower support disc 20. The guardrail 50 is distributed along the circumference of the lower support disc 20. The guardrail 50 has a second spacing from the center of the lower support disc 20. The second spacing is greater than the first spacing, that is, the guardrail 50 is located at the periphery of the vertical support columns 30, which effectively prevents the personnel or objects from falling accidentally and safeguards the personal and property safety. In the embodiment, the vertical shaft excavation auxiliary device 100 has good stability, long service life and can effectively improve the construction safety.

[0023] As shown in Figure 1 and Figure 2 , in order to facilitate the hoisting of the shaft excavation auxiliary device 100 into the shaft, the shaft excavation auxiliary device 100 further comprises a plurality of lifting rings 60, which are arranged on the top of the upper support disc 10 along the circumference of the upper support disc 10. The hoisting machine can connect the lifting rings 60 with lifting ropes to hoist the shaft excavation auxiliary device 100 into the shaft; preferably, the number of lifting rings 60 is four.

[0024] Further, as shown in Figure 1 , the cross section of the shaft is circular, and the shapes of the upper support disc 10 and the lower support disc 20 are both disc-shaped, and the diameter of the upper support disc 10 is larger than that of the lower support disc 20, which can effectively block vertically falling objects.

[0025] Specifically, the upper support disc 10 comprises a first top panel 12, a second top panel 13, and a plurality of first transverse connecting rods (not shown in the figure) and a plurality of first longitudinal connecting rods (not shown in the figure), the first top panel 12 and the second top panel 13 are both steel plates, the first transverse connecting rods and the first longitudinal connecting rods are arranged between the first top panel 12 and the second top panel 13 and are fixedly connected (for example, welded) with the first top panel 12 and the second top panel 13, and preferably the first transverse connecting rods and the first longitudinal connecting rods are both I-beams, which can enhance the strength and stability of the upper support disc 10.

[0026] Further, as shown in Figure 1 , in order to enhance the aesthetic appearance of the outer contour of the upper support disc 10, the upper support disc 10 further comprises an upper support sleeve 16 arranged between the first top panel 12 and the second top panel 13, which surrounds the periphery of the plurality of first transverse connecting rods and the plurality of first longitudinal connecting rods.

[0027] Further, as shown in Figure 2 and Figure 4 , in order to further enhance the overall strength of the upper support disc 10, the shaft excavation auxiliary device 100 further comprises a plurality of transverse reinforcing beams 14 and a plurality of longitudinal reinforcing beams 15 arranged at the bottom of the second top panel 13, the transverse reinforcing beams 14 and the longitudinal reinforcing beams 15 are arranged alternately, which can enhance the strength and stability of the bottom of the upper support disc 10.

[0028] Further, as shown in Figure 1As shown in the drawings, in the embodiment, the lower support disc 20 comprises a first bottom panel 21, a second bottom panel 22, and a plurality of second transverse connecting rods (not shown in the drawings) and a plurality of second longitudinal connecting rods (not shown in the drawings), the first bottom panel 21 and the second bottom panel 22 are both steel plates, the second transverse connecting rods and the second longitudinal connecting rods are distributed alternately, are arranged between the first bottom panel 21 and the second bottom panel 22, and are fixedly connected (for example, welded) with the first bottom panel 21 and the second bottom panel 22. Preferably, the first transverse connecting rods and the first longitudinal connecting rods are both I-beams, which can enhance the strength and stability of the upper support disc 10.

[0029] Further, as shown in the drawings, Figure 1 In order to enhance the aesthetic appearance of the outer contour of the lower support disc 20, the lower support disc 20 further comprises a lower support sleeve 23 arranged between the first bottom panel 21 and the second bottom panel 22, the lower support sleeve 23 surrounds the periphery of the plurality of second transverse connecting rods and the plurality of second longitudinal connecting rods.

[0030] In the embodiment, as shown in the drawings, Figure 3 The guardrail 50 comprises an annular support 51 and a plurality of support legs 52 arranged around the annular support 51. Preferably, the bottom of the support leg 52 is detachably connected with the surface of the lower support disc 20, so as to facilitate the maintenance and replacement of the guardrail 50.

[0031] Further, in the embodiment, the shape of the access opening 11 is rectangular. In some other embodiments, the shape of the access opening 11 is circular or other shapes.

[0032] Further, in order to prevent falling objects from falling from the access opening 11 to the lower support disc 20, the shaft excavation auxiliary device 100 further comprises a protective cover (not shown in the drawings), which is movably connected with the access opening 11 and can cover the access opening 11.

[0033] In the embodiment, the number of the vertical support columns 30 is at least four, corresponding to the positions of the lifting rings 60; in some other embodiments, the vertical support columns 30 have eight, nine, etc., so as to further improve the stability between the upper support disc 10 and the lower support disc 20.

[0034] Further, the hanging ladder 40 is arranged obliquely between the upper support disc 10 and the lower support disc 20, and the included angle between the hanging ladder 40 and the surface of the lower support disc 20 is 40-60°.

[0035] Finally, it needs to be explained that if the present application involves directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directional indications also change accordingly.

[0036] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, nor within the protection scope of the present application.

[0037] The above is only the implementation of the present application, and does not limit the patent scope of the present application, any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A shaft excavation aid, characterized in that, The vertical shaft excavation auxiliary device comprises: an upper support disc, a center of which is provided with a passageway; a lower support disc, which is arranged opposite to the upper support disc, and is parallel to the upper support disc; vertical support columns, which are arranged between the upper support disc and the lower support disc, and the vertical support columns are multiple, uniformly distributed along the circumference of the lower support disc, and the vertical support columns have a first distance from the center of the lower support disc; a hanging ladder, which is arranged between the upper support disc and the lower support disc, and a top of the hanging ladder is arranged at the edge of the passageway; a guardrail, which is distributed along the circumference of the lower support disc, and the guardrail has a second distance from the center of the lower support disc, and the second distance is greater than the first distance.

2. A shaft excavation aid according to claim 1, characterised in that, The vertical shaft excavation auxiliary device further comprises multiple hangers, which are arranged on the top of the upper support disc along the circumference of the upper support disc.

3. A shaft excavation aid according to claim 2, characterised in that, The upper support disc comprises a first top panel, a second top panel, and multiple first horizontal connecting rods and multiple first vertical connecting rods, which are staggered and arranged between and fixedly connected to the first top panel and the second top panel.

4. A shaft excavation aid according to claim 3, characterised in that, The vertical shaft excavation auxiliary device further comprises multiple horizontal reinforcing beams and multiple vertical reinforcing beams arranged at the bottom of the second top panel, and the horizontal reinforcing beams and the vertical reinforcing beams are staggered.

5. A shaft excavation aid according to any one of claims 1 to 4, characterised in that, The lower support disc comprises a first bottom panel, a second bottom panel, and multiple second horizontal connecting rods and multiple second vertical connecting rods, which are staggered and arranged between and fixedly connected to the first bottom panel and the second bottom panel.

6. A shaft excavation aid according to claim 5, characterised in that, The guardrail comprises an annular support and multiple support legs arranged around the annular support.

7. A shaft excavation aid according to claim 6, characterised in that, The upper support disc and the lower support disc are both disc-shaped, and the diameter of the upper support disc is greater than that of the lower support disc.

8. A shaft excavation aid according to claim 7, characterised in that, The passageway is rectangular.

9. A shaft excavation aid according to claim 8, characterised in that, The vertical shaft excavation auxiliary device further comprises a protective cover, which is movably connected to the passageway and can cover the passageway.

10. The shaft excavation aid of claim 8, wherein, The number of the vertical support columns is at least four.

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