Layered filling type isolation retaining wall

Abstract

The utility model discloses a layered filling type isolation retaining wall which comprises a roadway and sandbags, the sandbags are stacked in a roadway opening layer by layer, and sleeves are vertically installed on the outer sides of the sandbags and located on the inner side of the roadway opening. The device has the advantages that the sandbags, the sleeves and the ejector rods are arranged, when a roadway is isolated, the sandbags can be stacked at the position of a roadway opening, the sleeves and the ejector rods are vertically and fixedly installed on the inner side of the roadway opening and located on the outer sides of the sandbags, and when the sleeves and the ejector rods are installed, the nuts can be rotated through the wrenches, the screws are driven to move upwards, and then the ejector rods are driven to move upwards; the sand bag is driven to penetrate into the inner wall of the roadway to form a framework structure, the integrity after filling is improved, then the stability of the structure is improved, the sand bag blocks the gap of the inner wall of the roadway through deformation of the sand bag, the anti-leakage effect is achieved, meanwhile, in the layered filling process, the effect of avoiding filler leakage is achieved, and the service life of the sand bag is prolonged. And the overall sealing performance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mine mining, in particular to a layered filling type isolation retaining wall. Background Art

[0002] Retaining walls in the backfill mining method are used to seal the goaf exit before filling. As a key production link, the backfill wall isolates the backfill area from the working area to prevent slurry leakage and runaway. The safety and reliability of the backfill wall is extremely important for underground workers, equipment, and normal production.

[0003] After searching, it was found that at this stage, a layered bag-type self-supporting filling retaining wall construction method has emerged for the construction of isolation retaining walls. The filling bags are mainly stacked in layers, and then the filling mortar is injected into the filling bags. The sealing effect is achieved by the expansion of the filling bags. However, the connection between the filling bags in this method is not stable enough. The filling bags work independently and are easily affected by lateral forces and displaced and collapsed. In addition, this method requires a large amount of filling mortar, which is relatively expensive and has high cost. Further improvements can be made. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the deficiencies in the prior art, the present invention provides a layered filling isolation retaining wall, which has the advantages of stable structure and low cost, thereby solving the problems in the above-mentioned background technology.

[0006] (2) Technical solution

[0007] In order to achieve the above-mentioned advantages of stable structure and low cost, the specific technical solution adopted by the utility model is as follows: a layered filling isolation retaining wall, including a tunnel and sandbags, the sandbags are stacked layer by layer inside the tunnel entrance, and a sleeve is vertically installed on the outside of the sandbags inside the tunnel entrance, and a screw is threadedly sleeved inside the sleeve, a nut is welded on the top surface of the screw, and a push rod is welded on the top surface of the nut, and multiple groups of push rods and sleeves are arranged at equal intervals, a template is provided on the outside of the tunnel entrance, and the template is fixedly connected to the outer wall of the tunnel entrance by fixing nails.

[0008] Furthermore, the templates are arranged in multiple groups from bottom to top, and the templates are closely arranged.

[0009] Furthermore, sealing gaskets are fixedly bonded to the surfaces of both ends of the template, and the sealing gaskets are distributed between the template and the outer wall of the tunnel entrance.

[0010] Furthermore, the top surface of the push rod and the bottom surface of the sleeve are both provided with a tip, and the push rod and the sleeve are coaxially arranged.

[0011] Furthermore, the length of the template is greater than the width of the tunnel entrance, and the surface of the uppermost template is connected through a material injection barrel.

[0012] Furthermore, a plugging cover is spirally sleeved on the other end of the injection barrel.

[0013] Furthermore, the space between the template and the sandbag is filled with crushed stone and filling mortar.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the present invention provides a layered filling isolation retaining wall with the following beneficial effects:

[0016] (1) The utility model is provided with sandbags, sleeves and push rods. When isolating a tunnel, the sandbags can be stacked at the tunnel entrance, and the sleeves and push rods can be fixed vertically on the outside of the sandbags on the inside of the tunnel entrance. When installing the sleeves and push rods, the nut can be turned by a wrench, thereby driving the screw to move upward, thereby driving the push rod to move upward, and driving the tip of the push rod and the bottom of the sleeve to penetrate into the inner wall of the tunnel, forming a skeleton structure, thereby improving the integrity after filling, and thereby improving the stability of the structure. The sandbags seal the gaps in the inner wall of the tunnel by their own deformation, thereby playing a role in preventing leakage. At the same time, in the process of layered filling, they play a role in preventing the leakage of the filling material, thereby improving the overall sealing performance.

[0017] (2) The utility model is provided with a template, which is fixedly connected to the outer wall of the tunnel entrance by fixing nails, and a filling space is formed between the template and the sandbag. The staff can fill the crushed stone produced by mining into the filling space in layers, and fill the gaps between the crushed stone with filling mortar in layers, thereby saving the amount of filling mortar and saving materials. After the template is installed to a certain height, the crushed stone and filling mortar are filled in layers to avoid the collapse of the sandbag caused by excessive filling at one time. After filling to the top of the tunnel, the staff can connect the filling mortar pouring pipe and the injection barrel until the filling mortar fills the top space of the filling space, and the sealing isolation is completed. After the filling mortar strength is qualified, the template is removed to complete the installation. By creating a filling space, this device fully utilizes the mining crushed stone, saves filling mortar, and reduces the cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is a structural schematic diagram of a layered filling type isolation retaining wall according to an embodiment of the utility model;

[0020] Figure 2 AA sectional view of a layered filling type isolation retaining wall according to an embodiment of the present utility model;

[0021] Figure 3 This is a schematic diagram of template installation according to an embodiment of the present utility model;

[0022] Figure 4 It is a schematic diagram of the installation of the screw and the push rod according to the embodiment of the utility model.

[0023] In the picture:

[0024] 1. Tunnel; 2. Sandbag; 3. Sleeve; 4. Screw; 5. Nut; 6. Push rod; 7. Formwork; 8. Sealing gasket; 9. Fixing nail; 10. Injection barrel; 11. Plug cover. DETAILED DESCRIPTION

[0025] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. By referring to these contents, ordinary technicians in this field should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0026] According to an embodiment of the present utility model, a layered filling type isolation retaining wall is provided.

[0027] The present invention will now be further described with reference to the accompanying drawings and specific embodiments. Figure 1-4As shown, according to an embodiment of the present invention, a layered filling isolation retaining wall comprises a tunnel 1 and sandbags 2. The sandbags 2 are stacked layer by layer inside the tunnel 1. Fine sand is contained in the sandbags 2. A sleeve 3 is vertically installed on the outside of the sandbags 2 at the inside of the tunnel 1. A screw 4 is threadedly sleeved on the inside of the sleeve 3. A nut 5 is welded on the top surface of the screw 4. A mandrel 6 is welded on the top surface of the nut 5. There are multiple groups of mandrels 6 and sleeves 3 arranged at equal intervals. A template 7 is provided on the outside of the tunnel 1, and the template 7 is fixedly connected to the outer wall of the tunnel 1 through fixing nails 9. There are multiple groups of fixing nails 9. When isolating the tunnel 1, The sandbags 2 are stacked at the entrance of the tunnel 1, and the sleeve 3 and the push rod 6 are fixed vertically on the outside of the sandbags 2 on the inner side of the entrance of the tunnel 1. When installing the sleeve 3 and the push rod 6, the nut 5 can be turned by a wrench, thereby driving the screw 4 to move upward, and then driving the push rod 6 to move upward, driving the push rod 6 and the tip of the bottom surface of the sleeve 3 to penetrate into the inner wall of the tunnel 1, forming a skeleton structure, improving the integrity after filling, and thus improving the stability of the structure. The sandbag 2 blocks the gap in the inner wall of the tunnel 1 by its own deformation, playing a role in preventing leakage. At the same time, in the process of layered filling, it plays a role in preventing the leakage of the filling material and improving the overall sealing performance.

[0028] In one embodiment, multiple groups of templates 7 are arranged from bottom to top, and the templates 7 are closely arranged, which is a common structure.

[0029] In one embodiment, sealing gaskets 8 are fixedly bonded to the surfaces of both ends of the template 7, and the sealing gaskets 8 are distributed between the template 7 and the outer wall of the tunnel 1. When the template 7 is installed, the sealing gaskets 8 are squeezed and deformed, sealing the gaps and reducing leakage. The template 7 is fixedly connected to the outer wall of the tunnel 1 by fixing nails 9. A filling space is formed between the template 7 and the sandbag 2. The staff can fill the gravel produced by mining into the filling space in layers, and fill the gaps between the gravel in layers with filling mortar, thereby saving the amount of filling mortar and saving materials. After the template 7 is installed to a certain height, the gravel and filling mortar are filled in layers to avoid the collapse of the sandbag 2 caused by excessive filling at one time. After filling to the top of the tunnel 1, the staff can connect the filling mortar pouring pipe and the injection barrel 10 until the filling mortar fills the top space of the filling space, thereby completing the sealing and isolation. After the filling mortar strength is qualified, the template 7 can be removed to complete the installation. By creating a filling space, this device makes full use of mining gravel, saves filling mortar, and reduces construction cost.

[0030] In one embodiment, both the top surface of the push rod 6 and the bottom surface of the sleeve 3 are provided with a tip, and the push rod 6 and the sleeve 3 are coaxially arranged. The tip facilitates the push rod 6 and the sleeve 3 to penetrate into the inner wall of the tunnel 1, thereby improving the stability of the fixation.

[0031] In one embodiment, the length of the template 7 is greater than the width of the tunnel 1, and the surface of the uppermost template 7 is connected with an injection barrel 10, which is convenient for filling mortar for grouting. The mortar is filled using a grouting machine.

[0032] In one embodiment, a plugging cover 11 is spirally sleeved on the other end of the injection barrel 10 for closing the injection barrel 10 after grouting.

[0033] In one embodiment, the space between the template 7 and the sandbag 2 is filled with crushed stone and filling mortar. The crushed stone can be obtained on site at a low cost.

[0034] Working principle: When isolating the tunnel 1, the sandbags 2 can be stacked at the entrance of the tunnel 1, and the sleeve 3 and the push rod 6 can be fixed vertically on the outside of the sandbags 2 on the inside of the tunnel 1. When installing the sleeve 3 and the push rod 6, the nut 5 can be turned by a wrench, thereby driving the screw 4 to move upward, thereby driving the push rod 6 to move upward, driving the push rod 6 and the tip of the bottom surface of the sleeve 3 to penetrate into the inner wall of the tunnel 1, forming a skeleton structure, improving the integrity after filling, and thus improving the stability of the structure. The sandbag 2 blocks the gap in the inner wall of the tunnel 1 by its own deformation, playing a role in preventing leakage. At the same time, in the process of layered filling, it plays a role in avoiding leakage of the filling material, thereby improving the overall sealing performance. At the same time, the template 7 is fixed to the outside of the tunnel 1 through the fixing nails 9. The wall is fixedly connected, and a filling space is formed between the template 7 and the sandbag 2. The staff can fill the crushed stone produced by mining into the filling space in layers, and fill the gaps between the crushed stone with filling mortar in layers, thereby saving the amount of filling mortar and saving materials. After the template 7 is installed to a certain height, the crushed stone and filling mortar are filled in layers to avoid the collapse of the sandbag 2 caused by excessive filling at one time. After filling to the top of the tunnel 1, the staff can connect the filling mortar pouring pipe and the injection barrel 10 until the filling mortar fills the top space of the filling space, and the sealing isolation can be completed. After the strength of the filling mortar is qualified, the template 7 can be removed to complete the installation. This device makes full use of the mining crushed stone by creating a filling space, saves filling mortar, and reduces the cost.

[0035] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A layered filling isolation retaining wall, comprising a tunnel (1) and sandbags (2), characterized in that: The sandbags (2) are stacked layer by layer inside the entrance of the tunnel (1), and a sleeve (3) is vertically installed on the outside of the sandbags (2) and located inside the entrance of the tunnel (1), and a screw rod (4) is threadedly sleeved inside the sleeve (3), a nut (5) is welded on the top surface of the screw rod (4), and a top rod (6) is welded on the top surface of the nut (5), and multiple groups of top rods (6) and sleeves (3) are arranged at equal intervals, and a template (7) is provided on the outside of the entrance of the tunnel (1), and the template (7) is fixedly connected to the outer wall of the entrance of the tunnel (1) through fixing nails (9).

2. A layered filling isolation retaining wall according to claim 1, characterized in that: The templates (7) are arranged in multiple groups from bottom to top, and the templates (7) are closely arranged.

3. The layered filling isolation retaining wall according to claim 1, characterized in that: Sealing pads (8) are fixedly bonded to the surfaces of both ends of the template (7), and the sealing pads (8) are distributed between the template (7) and the outer wall of the tunnel (1) opening.

4. The layered filling isolation retaining wall according to claim 1, characterized in that: The top surface of the push rod (6) and the bottom surface of the sleeve (3) are both provided with a pointed end, and the push rod (6) and the sleeve (3) are coaxially arranged.

5. The layered filling isolation retaining wall according to claim 1, characterized in that: The length of the template (7) is greater than the width of the tunnel (1) opening, and a material injection barrel (10) is connected through the surface of the uppermost template (7).

6. The layered filling isolation retaining wall according to claim 5, characterized in that: The other end of the injection barrel (10) is spirally sleeved with a blocking cover (11).

7. The layered filling isolation retaining wall according to claim 1, characterized in that: The space between the template (7) and the sandbag (2) is filled with crushed stone and filling mortar.

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