CN-224228724-U - Precast concrete wall soft package suitable for gob-side entry retaining

Abstract

The utility model relates to a precast soft bag for a concrete wall suitable for gob-side entry retaining, which comprises a soft bag, wherein two groups of external brackets are respectively arranged at the front and rear of the soft bag, the soft bag further comprises a soft bag body and a soft bag limiting steel wire rope, the soft bag body is used for sewing a plurality of external vertical plates of the external brackets at the outer side of the soft bag body through binding belts or cloth covers, a steel connector at the end part of the soft bag limiting steel wire rope in the soft bag body is connected with the external vertical plates through screws, the two external vertical plates are connected with the steel wire rope through the external vertical plates, a steel connector at one end of a top beam inclined steel wire rope in the soft bag body is connected with the top of the external vertical plates through screws, the other end of the steel connector is connected with a top beam installation position at the top of the soft bag body through screws, a concrete filling opening penetrates through a filling opening preformed hole to be connected with the soft bag body, and the precast concrete wall can be conveniently and rapidly transported to a construction point position and rapidly spread, the leveling and attractive wall surface can be ensured, and concrete falling can be prevented.

Inventors

• GUO CHAO
• ZHANG XIONGWEI
• LIU JIAN
• FAN YIDONG
• LI JIANGFENG
• SHEN ZHIYONG

Assignees

• 山西潞安环保能源开发股份有限公司
• 中国矿业大学

Dates

Publication Date

20260512

Application Date

20250610

Claims (5)

1. 1. The utility model provides a concrete wall prefabrication soft package suitable for gob-side entry retaining, including soft package (1) and external support (3), install respectively in soft package (1) front and back at two sets of external support (3), its characterized in that, soft package (1) still include soft package body (11) and soft package spacing wire rope (13), soft package body (11) are through the tie or cloth cover with a plurality of outside risers (32) of external support (3) at soft package body (11) outside, the steel connector of soft package spacing wire rope (13) tip in soft package body (11) passes through screwed connection outside riser (32), connect through external riser connection wire rope (36) between two outside risers (32), the steel connector of top girder diagonal wire rope (12) one end in soft package body (11) passes through screwed connection outside riser (32) top, the other end passes through the top girder (31) installation position of screwed connection soft package body (11), soft package body (11) sets up the cloth cover of inserting top girder (31); the concrete filling port (2) passes through a filling port preformed hole (33) to be connected with the soft package body (11), the two sides of the outer side of the external support (3) are respectively fixedly provided with a connecting sleeve (34) and a connecting bolt (35), the middle section of the soft package limiting steel wire rope (13) is bound with a built-in steel bar (14), the width of the built-in reinforcing steel bars (14) is consistent with that of the outer vertical plates (32).
2. 2. The precast concrete soft package for the concrete wall suitable for gob-side entry retaining according to claim 1, characterized in that the concrete filling port (2) comprises a concrete filling pipe fixing protrusion (21) and a top ring support (26), the filling port pipe (22) is fixedly arranged on the soft package body (11) through a flange or glue, a plurality of concave holes are formed in the rear portion of the filling port pipe (22), a telescopic connecting rod (23) with a spring is arranged in the concave holes, the outer end of the telescopic connecting rod (23) is fixedly connected with a sealing plate (24), the sealing plate (24) is provided with a top ring (25) through the top ring support (26) towards one face of the filling port pipe (22), and the protruding portion outside the filling port pipe (22) is provided with the concrete filling pipe fixing protrusion (21).
3. 3. A prefabricated soft concrete wall pack suitable for gob-side entry retaining according to claim 2, wherein the sealing plate (24) is rubber-coated.
4. 4. The precast soft package for the concrete wall suitable for gob-side entry retaining according to claim 1 is characterized in that a supporting connecting rod (37) is installed between the front and rear external brackets (3) of the soft package (1) through a connecting piece.
5. 5. The prefabricated soft bag for the concrete wall suitable for gob-side entry retaining according to claim 4, wherein the outer layer of the soft bag body (11) is canvas, the side edge and the bottom of the canvas are provided with inner liners, and the inner liners are thermoplastic polyurethane films or high-density polyethylene films.

Description

Precast concrete wall soft package suitable for gob-side entry retaining Technical Field The utility model relates to the technical field of concrete wall shaping devices, in particular to a concrete wall prefabricated soft package suitable for gob-side entry retaining. Background In the gob-side entry retaining construction process, a concrete wall is required to be constructed on the goaf side for supporting a roadway and isolating the goaf from caving gangue, and the current concrete wall construction mode is to suspend a cloth bag and then inject concrete slurry added with an accelerator. And when concrete slurry is injected, the concrete slurry can be scattered and leaked, so that material waste is caused. At present, the utility model with the patent publication number of CN220539686U discloses a concrete wall shaping device, which comprises a support column, a support plate, a guide structure, a guide piece, a connecting component and a support column, wherein the support column is arranged in a roadway to support a top plate of the roadway, the support plate is arranged on one side of a flexible mold bag, the guide structure is arranged on the support plate and extends along the horizontal direction, the guide piece is movably arranged on the guide structure, one end of the connecting component is connected with the support column, the other end of the connecting component is connected with the guide piece, and the support column is matched with the guide piece through the connecting component to support the support plate. The technical scheme provided by the utility model can solve the problem of higher shaping difficulty of the concrete wall in the prior art. As known from the technical content disclosed above, as the prior art, the utility model with the bulletin number CN214617301U is arranged on one side of a flexible mold bag through a supporting plate, a guiding structure is arranged on the supporting plate, a guiding piece is movably arranged on the guiding structure, the guiding piece is connected with a supporting column through a connecting component, the supporting column is matched with the guiding piece through the connecting component, so that the supporting plate is supported, and the concrete wall can be shaped. Disclosure of utility model Aiming at the problems in the prior art, the utility model provides the concrete wall prefabricated soft package suitable for gob-side entry retaining, which can be conveniently and rapidly transported to a construction point and rapidly unfolded, can ensure the smoothness and the attractiveness of a wall surface and prevent concrete from being scattered. In order to achieve the aim, the prefabricated soft bag of the concrete wall suitable for gob-side entry retaining comprises a soft bag and external supports, wherein the two groups of external supports are respectively arranged at the front and rear of the soft bag, the soft bag further comprises a soft bag body and a soft bag limiting steel wire rope, the soft bag body is used for sewing a plurality of external vertical plates of the external supports on the outer side of the soft bag body through binding bands or cloth covers, steel connectors at the end parts of the soft bag limiting steel wire rope in the soft bag body are connected with the external vertical plates through screws, the two external vertical plates are connected with steel wire ropes through the external vertical plates, the steel connectors at one end of a top beam inclined steel wire rope in the soft bag body are connected with the top of the external vertical plates through screws, the other end of the steel connectors are connected with a top beam installation position at the top of the soft bag body through screws, the soft bag body is provided with a cloth sleeve inserted into the top beam, a concrete filling opening penetrates through a filling opening reserved hole to be connected with the soft bag body, the two sides of the outer side of the external supports are respectively fixedly provided with a connecting sleeve and a connecting bolt, the middle section of the soft bag limiting steel wire rope is built in, and the width of the built-in steel bar is consistent with the middle section of the external steel bar. In addition, the concrete wall prefabricated soft package suitable for gob-side entry retaining provided by the embodiment of the utility model can also have the following additional technical characteristics: As a further improvement scheme of the utility model, the concrete filling port comprises a concrete filling pipe fixing protrusion and a top ring bracket, the filling port pipe is fixedly arranged on the soft package body through a flange or glue, a plurality of concave holes are formed in the rear part of the filling port pipe, a telescopic connecting rod with a spring is arranged in each concave hole, the outer end of the telescopic connecting rod is fixedly connected with a sealing plate, one surf