Safety supporting structure for vertical shaft of coal mine

Abstract

The utility model discloses a safety supporting structure of a coal mine vertical shaft, and relates to the technical field of coal mine shafts. Comprising a plurality of supporting cylinders arranged on the inner side of a shaft body and matched with the inner wall of the shaft body; the mounting mechanism is arranged between the two adjacent supporting cylinders and is detachably connected with the supporting cylinders; the steel die rings are arranged between every two adjacent supporting cylinders and matched with the mounting mechanisms; the shape of the supporting cylinder can be matched with that of the shaft body, the inner wall of the shaft body is supported, external loads can be evenly distributed through the curved surface of the circular structure, local stress is reduced, and therefore the overall stability of the shaft body is enhanced. The supporting rod is installed between the two sets of supporting cylinders through the clamping blocks at the two ends, the other set of supporting cylinders can be supported and reinforced, and the multiple supporting cylinders can stably support the shaft. The problem that a traditional coal mine supporting mode cannot be suitable for supporting a small-diameter coal mine vertical shaft is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine shaft technology field especially relates to a coal mine vertical shaft safety supporting structure. BACKGROUND

[0002] The shaft refers to the vertical or inclined engineering that is dug from the ground to the ore body in the underground mining or underground engineering construction, the vertical engineering is called the vertical shaft, and the inclined engineering is called the inclined shaft, in the construction process, in order to avoid the shaft collapse, ensure the safety of coal mining, need to use the supporting structure to reinforce the shaft.

[0003] In order to reinforce the shaft in the construction process, in some shaft structures, the main means currently adopted is to use the anchor rod and welded reinforcement frame to reinforce the shaft, and the reinforcement mode needs to be used according to the site condition, the reinforcement frame welded by reinforcement is made on the ground, is taken to the construction site by the cage, is fixed on the original supporting anchor rod on the wall first, then is filled and tightened with wood, then the anchor rod netting mode is used to handle the connection between the reinforcement frame and the anchor rod, and finally is poured, this mode can effectively achieve the purpose of reinforcing the shaft, but the construction process is relatively complicated, is not convenient for the quick installation of the shaft support, and the use effect of the device is reduced, and at the same time, the reinforcement mode is mainly suitable for the shaft support of large diameter, and the above support mode is not used for the shaft structure of small diameter.

[0004] Therefore, the utility model provides a novel coal mine vertical shaft safety supporting structure to solve the problems of the prior art. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a novel coal mine vertical shaft safety supporting structure to solve the problems of the prior art.

[0006] To achieve the above object, the technical scheme of the utility model is as follows:

[0007] A coal mine vertical shaft safety supporting structure is supported in the inside of the shaft body, and comprises:

[0008] A plurality of support cylinders are arranged on the inside of the shaft body and matched with the inner wall of the shaft body.

[0009] An installation mechanism is arranged between two adjacent support cylinders and detachably connected with the support cylinders.

[0010] A steel mold ring is arranged between two adjacent support cylinders and matched with the installation mechanism.

[0011] In a preferred embodiment, the support cylinder comprises two matched arc-shaped half cylinders, and a sliding block is arranged at one end of the arc-shaped half cylinder, and the sliding block is matched with a sliding groove arranged at one end of the other arc-shaped half cylinder.

[0012] In a preferred embodiment, a fixing bolt is threadedly connected in a threaded positioning hole arranged on the side wall of the arc-shaped half cylinder at the position of the T-shaped sliding groove and the sliding block.

[0013] In a preferred embodiment, a reinforcing groove is further arranged on the inner wall of the arc-shaped half cylinder, and a reinforcing ring is arranged in the reinforcing groove.

[0014] In a preferred embodiment, the strength of the reinforcing ring is greater than that of the arc-shaped half cylinder.

[0015] In a preferred embodiment, the mounting mechanism comprises:

[0016] A plurality of support rods are uniformly distributed and clamped between two adjacent support cylinders, and a clamping block is arranged at both ends of the support rod, and the clamping block is matched with a clamping groove arranged at both ends of the support cylinder.

[0017] In a preferred embodiment, a plurality of uniformly distributed fixing nuts are threadedly connected to the outer wall of the support cylinder, and one end of the fixing nut penetrates the support cylinder and is threadedly connected with the clamping block.

[0018] In a preferred embodiment, the mounting mechanism further comprises:

[0019] A plurality of reinforcing rods are arranged at both ends of the reinforcing rod, and a plug-in column is arranged on the outer side wall of the support cylinder.

[0020] In a preferred embodiment, the steel mold ring is arranged on the inner side of the reinforcing rod and located on the outer side of the support cylinder.

[0021] In a preferred embodiment, the inner side wall of the steel mold ring is further matched with the support rod.

[0022] Compared with the prior art, the utility model provides a coal mine vertical shaft safety supporting structure, which has the following beneficial effects:

[0023] 1. Through the arrangement of the mounting mechanism, two support cylinders can be quickly installed through the cooperation of the sliding block and the sliding groove at one end, and the shape of the support cylinder can be matched with the main body of the shaft, supporting the inner wall of the main body of the shaft, and the curved surface of the circular structure can uniformly distribute external load, reduce local stress, and enhance the stability of the main body of the shaft. The problem of inconvenient quick installation of the traditional coal mine supporting mode is solved.

[0024] 2. Through the setting of the support rod, the support rod is installed between the two groups of support cylinders through the clamping blocks at both ends, another group of support cylinders can be supported and reinforced, a plurality of support cylinders can also stably support the wellbore, the clamping block and the clamping groove are cross-shaped, and the support rod can be quickly installed.

[0025] 3. Through the setting of the reinforcing rod, and the setting of the plug-in columns at both ends of the reinforcing rod, when the both ends of the reinforcing rod are clamped on the outer wall of the support cylinder, the two groups of support cylinders can be reinforced, the supporting effect and safety of the support are improved, and the support is suitable for the small-diameter coal mine vertical shaft;

[0026] 4. Through the setting of the steel mold ring, the sealing and shielding effects can be achieved, the broken zone debris and the concrete during pouring are prevented from entering the inside of the support cylinder, the supporting effect on the wellbore body is ensured, and the problem that the traditional coal mine support mode cannot be applied to the small-diameter coal mine vertical shaft support is solved. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0028] Figure 1 It is a top view of the wellbore safety support structure in the use state of the present application;

[0029] Figure 2 It is a structure schematic view of the wellbore safety support structure with a steel mold ring of the present application;

[0030] Figure 3 It is a structure schematic view of the wellbore safety support structure without a steel mold ring of the present application;

[0031] Figure 4 It is a structure schematic view of the arc-shaped semicircular cylinder of the present application;

[0032] Figure 5 It is an exploded view of the A place in the present application; Figure 3

[0033] Figure 6 It is a structure schematic view of the support rod of the present application;

[0034] Figure 7 It is a local enlarged view of the B place in the present application; Figure 6

[0035] Figure 8 ​​The utility model discloses a reinforcing rod structure schematic view for the utility model.

[0036] Figure 9 The utility model discloses a steel mould ring structure schematic view.

[0037]

Main component symbol explanation

[0038] 1, well shaft main body;

[0039] 2, support cylinder;

[0040] 3, mounting mechanism;301, sliding block;302, sliding slot;303, screwing positioning hole;304, support rod;305, clamping block;306, clamping slot;307, fixed bolt;308, stiffening ring;309, plug-in column;310, reinforcing rod;311, fixed nut;

[0041] 4, steel mould ring. DETAILED DESCRIPTION

[0042] The structure of the coal mine vertical shaft safety support structure will be further explained in detail below in combination with the drawings and the embodiments of the utility model.

[0043] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0044] It should be noted that the terms used herein are only for describing the specific embodiments, and are not intended to limit the exemplary embodiments of the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should also be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or their combinations.

[0045] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not necessarily limit to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0046] For purposes of the description hereinafter, spatial relative terms, such as "above", "below", "top", "bottom", and the like, can be used to describe the relative position of one element or feature to another element or feature as illustrated in the figures. It will be understood that the spatial relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if a device in the figures is inverted, elements described as "above" or "below" other elements or features would then be oriented "below" or "above" the other elements or features. Thus, the exemplary term "above" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatial relative descriptors used herein interpreted accordingly.

[0047] As shown in the accompanying drawings for Figures 1-9 The utility model provides a technical scheme:

[0048] A coal mine vertical shaft safety supporting structure is supported on the inner side of the shaft body 1, comprising a plurality of supporting cylinders 2 matched with the inner wall of the shaft body 1, the supporting cylinders 2 are arranged in the shaft body 1, and a mounting mechanism 3 for connection is arranged between two adjacent supporting cylinders 2; in use, the supporting cylinders 2 are supported in the shaft body 1, and the mounting mechanism 3 is used to connect the adjacent supporting cylinders 2 together, forming the coal mine vertical shaft safety supporting structure for supporting the inner wall of the shaft body 1.

[0049] It should be noted that in the process of coal mine construction, the shaft body 1 is generally a circular structure with good structural safety, so the supporting cylinder 2 designed in the embodiment is also a circular structure, which can uniformly distribute external load through the curved surface of the circular structure, reduce local stress, and thus enhance the stability of the whole shaft body 1.

[0050] It should be noted that in order to avoid slurry leakage at the broken structure of the coal mine bottom layer and during pouring, a steel form ring 4 is arranged outside between two adjacent supporting cylinders 2, the steel form ring 4 is an arc-shaped steel plate curled between two adjacent supporting cylinders 2, and the free end is welded and connected, used in cooperation with the mounting mechanism 3 during use, fixed outside the supporting cylinder 2, and plays a sealing and shielding role to avoid the broken stone residues and the concrete during pouring into the inside of the supporting cylinder 2.

[0051] In a preferred embodiment, as Figure 3 , Figure 4 and Figure 5As shown, the support cylinder 2 is a spliced structure, comprising two matched arc-shaped half cylinders, and a sliding block 301 is arranged at one end of the arc-shaped half cylinder, which is matched with a sliding groove 302 arranged at one end of the other arc-shaped half cylinder.

[0052] It should be noted that, in use, the T-shaped sliding block 301 of one arc-shaped half cylinder is embedded in the two T-shaped sliding grooves 302 on one side of the other arc-shaped half cylinder, and the two arc-shaped half cylinders are assembled to form a support cylinder 2 capable of inhibiting the deformation of the wellbore main body 1, thereby improving the assemblability of the wellbore and the safety during use.

[0053] It should be noted that the threaded positioning holes 303 on the side walls of the arc-shaped half cylinders at the positions of the T-shaped sliding block 301 and the T-shaped sliding groove 302 are all threadedly connected with fixing bolts 307, one end of each fixing bolt 307 penetrates the support cylinder 2 and is threadedly connected with the sliding block 301, and the adjacent two arc-shaped half cylinders are connected and fixed by the fixing bolts 307.

[0054] In a preferred embodiment, as shown in Figure 3 and Figure 4 , a stiffening groove is further arranged on the inner wall of the arc-shaped half cylinder, and a stiffening ring 308 is detachably installed in the stiffening groove. The material strength of the stiffening ring 308 is greater than that of the arc-shaped half cylinder, so that in use, the stiffening ring 308 is installed on the support cylinder 2 according to requirements, thereby strengthening the strength of the support cylinder 2 and improving the support effect of the support on the wellbore 1.

[0055] In a preferred embodiment, as shown in Figure 3 , Figure 4 , Figure 6 , Figure 7 and Figure 8 , the mounting mechanism 3 comprises a plurality of support rods 304 evenly distributed and clamped between adjacent two support cylinders 2, and the two ends of each support rod 304 are fixedly connected with a clamping block 305 matched with a plurality of evenly distributed clamping grooves 306 arranged at the two ends of the support cylinder 2. In use, the adjacent two support cylinders 2 are connected by the support rod 304.

[0056] It should be noted that a plurality of evenly distributed fixing nuts 311 are threadedly connected to the outer wall of the support cylinder 2, one end of each fixing nut 311 penetrates the support cylinder 2 and is threadedly connected with the clamping block 305.

[0057] In a preferred embodiment, as shown in Figure 3 , Figure 4 , Figure 6 , Figure 7 and Figure 8As shown, the mounting mechanism 3 further comprises a plurality of reinforcing rods 310, both ends of the reinforcing rods 310 are provided with plug-in columns 309, the plug-in columns 309 are matched with positioning holes arranged on the outer side wall of the support cylinder 2, in use, through the cooperation of the plug-in columns 309 and the positioning holes, the steel mold ring 4 can be fixed on the outer side of two adjacent support cylinders 2, and the upper and lower side edges of the steel mold ring 4 overlap with the upper and lower side edges of the support cylinder 2, and the inner side of the steel mold ring 4 can contact with the support rod 304, thereby ensuring the strength of the steel mold ring 4.

[0058] The coal mine vertical shaft safety supporting structure in the utility model uses when, first according to the inner wall diameter of shaft body 1 selection and assembly support cylinder 2, after the assembly of support cylinder 2 is completed, utilize support rod 304 and connect two adjacent support cylinders 2, and it is hoisted and fixed in shaft body 1, and the shaft body 1 is supported and protected;

[0059] At the coal mine bottom layer broken structure and the position needing grouting, the steel mold ring 4 is installed between the outer sides of two adjacent support cylinders 310 through the reinforcing rod 310, to play a sealing and shielding effect, to avoid the broken zone's gravel residue and the concrete when pouring into the inside of support cylinder 2.

[0060] The above is only a preferred embodiment of the utility model, and is not used to limit the protection scope of the utility model.

Claims

1. A safety support structure for a coal mine shaft, which supports the inside of a shaft body (1), characterized in that, The utility model relates to a kind of steel formwork for wellbore, including: Several support cylinders (2) are arranged inside wellbore body (1), and with the inner wall of wellbore body (1) match; Mounting mechanism (3) is arranged between two adjacent support cylinders (2), and with support cylinder (2) detachable connection; Steel mould ring (4) is arranged between two adjacent support cylinders (2), and with mounting mechanism (3) match.

2. A coal mine shaft safety support structure as claimed in claim 1 wherein, The support cylinder (2) includes two matched arc half cylinders, and sliding block (301) is arranged at one end of the arc half cylinder, and the sliding block (301) is matched with the sliding slot (302) arranged at the other end of the arc half cylinder.

3. A coal mine shaft safety support structure as claimed in claim 2 wherein, Screwed positioning hole (303) is arranged on the side wall of the arc half cylinder where the sliding block (301) and the sliding slot (302) are located, and fixed bolt (307) is screwed and connected in the screwing positioning hole (303).

4. A coal mine shaft safety support structure as claimed in claim 2 wherein, The inner wall of the arc half cylinder is further provided with a stiffening groove, and the stiffening ring (308) is arranged in the stiffening groove.

5. A coal mine shaft safety support structure as claimed in claim 4 wherein, The strength of the stiffening ring (308) is greater than that of the arc half cylinder.

6. A coal mine shaft safety support structure as claimed in claim 1 wherein, The mounting mechanism (3) includes: Several support rods (304) are uniformly distributed and clamped between two adjacent support cylinders (2), and clamping block (305) is arranged at both ends of support rod (304), and the clamping block (305) is matched with the clamping groove (306) arranged at both ends of support cylinder (2).

7. A coal mine shaft safety support structure as claimed in claim 6 wherein, The outer wall of the support cylinder (2) is screwed with several evenly distributed fixed nuts (311), one end of the fixed nut (311) penetrates the support cylinder (2) and is screwed with the clamping block (305).

8. A coal mine shaft safety support structure as claimed in claim 6 wherein, The mounting mechanism (3) further includes: Several reinforcing rods (310) are arranged at both ends of the reinforcing rod (310), and the insertion column (309) is matched with the positioning hole arranged on the outer side wall of the support cylinder (2).

9. A coal mine shaft safety support structure as claimed in claim 8 wherein, The steel mould ring (4) is arranged inside reinforcing rod (310), and located outside support cylinder (2).

10. A coal mine shaft safety support structure as claimed in claim 9 wherein, The inner side wall of the steel mould ring (4) is further matched with support rod (304).

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