CN-121993253-A - Gob-side entry retaining concrete wall bagging apparatus that hangs

CN121993253ACN 121993253 ACN121993253 ACN 121993253ACN-121993253-A

Abstract

The application belongs to the technical field of coal mine supporting equipment, and discloses a gob-side entry retaining concrete wall bag hanging device which comprises a travelling mechanism, a supporting mechanism and a bag hanging mechanism, wherein the travelling mechanism is a crawler-type mechanism and is used for travelling along a preset track, the supporting mechanism comprises a base, a telescopic assembly and a top beam, the telescopic assembly can be telescopic bidirectionally in the vertical direction, the bag hanging mechanism comprises a supporting assembly and a clamping assembly, the supporting assembly comprises a flat supporting piece and a pressing piece, the flat supporting piece is hinged with the top beam and is used for flat supporting an anchor rod, the pressing piece is arranged on the top beam and is used for clamping the anchor rod with the flat supporting piece, and the clamping assembly is arranged on the same side as the supporting assembly and is used for clamping a flexible bag. The problems that the number of gangue at the bottom of a roadway is large, the geological condition is poor, the self-moving type support is difficult to move, the setting up efficiency of gob-side entry retaining is easy to reduce, and the working efficiency is reduced are solved.

Inventors

LIU WEI
YANG HAILI
Zhou Huairui
ZHANG RUYI
Tuo Xiaoying

Assignees

天地宁夏支护装备有限公司

Dates

Publication Date: 20260508
Application Date: 20260320

Claims (10)

1. The utility model provides a gob-side entry retaining concrete wall string bagging apparatus for hang and establish flexible bag and stock, the stock runs through flexible bag, its characterized in that includes: The travelling mechanism is a crawler-type mechanism and is used for travelling along a preset track; The support mechanism comprises a base, a telescopic assembly and a top beam, wherein the base is positioned on the travelling mechanism, the telescopic assembly is connected with the base, the top beam is arranged at one end of the telescopic assembly far away from the travelling mechanism, the telescopic assembly can bidirectionally telescopic along the vertical direction and is used for driving the top beam to move and limiting the movement of the travelling mechanism, and the top beam is arranged at one end of the telescopic assembly far away from the travelling mechanism The bag hanging mechanism comprises a supporting component and a clamping component, the supporting component comprises a flat supporting piece and a pressing piece, the flat supporting piece is hinged to the top beam, can overturn along a hinged position and is matched with the anchor rod to horizontally support the anchor rod, the pressing piece is arranged on the top beam, can reciprocate along the same direction as the extending direction of the anchor rod and is matched and connected with the anchor rod to clamp the anchor rod with the flat supporting piece and move up and down under the driving of the telescopic component, and the clamping component is arranged on the top beam, is arranged on the same side as the supporting component, can reciprocate along the extending direction of the anchor rod and is used for clamping the flexible bag.
2. The gob-side entry retaining concrete wall bagging apparatus of claim 1, wherein the clamping assembly comprises a clamping plate and a first telescopic member, one end of the first telescopic member extends into the top beam, the other end of the first telescopic member is connected with the clamping plate, the clamping plate is detachably connected with the flexible bag on one side of the top beam, the clamping plate is used for clamping the flexible bag, and the first telescopic member can stretch along the extending direction of the anchor rod.
3. The gob-side entry retaining concrete wall bagging apparatus of claim 2, wherein said clamping assembly further comprises an auxiliary plate, said auxiliary plate being connected to said top beam and extending in the same direction as said first telescoping member, an end of said flexible bag being covered on said auxiliary plate and being detachably connected to said clamping plate.
4. The gob-side entry retaining concrete wall bagging apparatus of claim 1, wherein said flat supporting member comprises a flap and a second telescoping member, one end of said second telescoping member is hinged to said top beam, the other end is connected to said flap, said flap is hinged to said top beam, and said second telescoping member is capable of driving said flap to turn along the hinge.
5. The gob-side entry retaining concrete wall bagging apparatus of claim 1, wherein said hold-down member includes a third telescoping member and a pressure plate, one end of said third telescoping member extends into said top beam and the other end thereof is connected to said pressure plate, said pressure plate extends through said top beam and is slidably connected to said top beam, said third telescoping member being adapted to drive said pressure plate to move in the direction of extension of said anchor rod and to clamp said anchor rod between said flat support member and said pressure plate.
6. The gob-side entry retaining concrete wall bagging apparatus of claim 5, wherein said hold-down element includes a push plate disposed at an end of said pressure plate remote from said third telescoping member, said push plate being cooperatively coupled to said flexible bag for adjusting the position of said anchor rod under the influence of said third telescoping member.
7. The gob-side entry retaining concrete wall bagging apparatus of claim 6, wherein both said pressure plate and said flat support are provided with a stop collar which is in stop fit with said anchor rod for limiting displacement of said anchor rod.
8. The gob-side entry retaining concrete wall bagging apparatus of claim 1, wherein the telescopic assembly comprises a stand column and a telescopic column, wherein two ends of the stand column are respectively connected with the base and the top beam and used for driving the top beam to move up and down along the vertical direction, one end of the telescopic column is connected with the base, and the other end of the telescopic column is connected with the travelling mechanism and used for driving the base to move up and down along the vertical direction.
9. The gob-side entry retaining concrete wall bagging apparatus of claim 8, wherein a sizing assembly is provided on the upright, the sizing assembly being movable along the direction of extension of the anchor rod for sizing the flexible bag.
10. The gob-side entry retaining concrete wall bagging apparatus of claim 9, wherein the end of the base remote from the shaping assembly is provided with a plurality of diagonal braces, and the diagonal braces form an included angle of 10 ° to 80 ° with the base for supporting the base.

Description

Gob-side entry retaining concrete wall bagging apparatus that hangs Technical Field The invention belongs to the technical field of coal mine supporting equipment, and particularly relates to a gob-side entry retaining concrete wall bagging device. Background Gob-side entry retaining refers to retaining one of the lanes (usually a transport lane) in the stoping process of the working face of the upper section, and using the lane as a stopable lane (usually a return air lane) of the stoping working face of the next section. In the prior art, the concrete composite material has the characteristics of preforming, self-forming, dewatering, self-compaction and the like, has good roadway maintenance effect, and has the advantages of simple filling process and filling equipment, and is applied to partial mining areas at present. For example, the Chinese patent publication No. CN115614094A discloses a filling bag hanging device for gob-side entry retaining and mould kneading and a technological process, and specifically discloses a filling bag hanging device for gob-side entry retaining and mould kneading and mould hanging device for gob-side entry retaining and mould filling, which comprises a base, a pulling and moving jack, an upright post, a top beam, a turning plate jack, a traveling wheel body, a connecting rod, a track, a pulley assembly, a first telescopic rod, a second telescopic rod jack and an adjusting jack. The lifting jack of the turnover plate stretches to drive the turnover plate to rotate to drive the traveling wheel body to travel on the track, the first telescopic rod stretches out, the adjusting jack adjusts the second telescopic rod jack to be on the same straight line with the second telescopic rod, the second telescopic rod jack drives the second telescopic rod to stretch out, the stretched first telescopic rod and the stretched second telescopic rod are used for hanging and kneading the edges of the mold bags, the mold bags are supported up through the lifting of the upright posts to be in contact with the tunnel top plate, automatic bag hanging is achieved, excessive manual intervention is not needed any more, the straightness and automation level of the bag hanging process are improved, and the situations such as safety accidents in the bag hanging process are effectively avoided. However, the gangue at the bottom of the roadway is more, the geological condition is worse, the self-moving bracket is difficult to move, and the setting up efficiency of the gob-side entry retaining is easy to be reduced, so that the working efficiency is reduced. Disclosure of Invention Based on the above, the application provides the gob-side entry retaining concrete wall bagging device to solve the problems that the gob-side entry retaining concrete wall bagging device is more in gangue at the bottom of a roadway and poorer in geological condition, and the gob-side entry retaining concrete wall bagging device is difficult to move by using a self-moving bracket, so that the setting efficiency of the gob-side entry retaining concrete wall bagging device is easy to reduce, and the working efficiency is reduced. The technical scheme for solving the technical problems is as follows: The bag hanging device for the gob-side entry retaining concrete wall is used for hanging a flexible bag and an anchor rod, the anchor rod penetrates through the flexible bag and comprises a travelling mechanism, a supporting mechanism and a bag hanging mechanism, the travelling mechanism is a crawler-type mechanism and used for travelling along a preset track, the supporting mechanism comprises a base, a telescopic component and a top beam, the base is located on the travelling mechanism, the telescopic component is connected with the base, the top beam is arranged at one end, far away from the travelling mechanism, of the telescopic component, the telescopic component can bidirectionally stretch and retract in the vertical direction and is used for driving the top beam to move and limiting the movement of the travelling mechanism, the bag hanging mechanism comprises a supporting component and a clamping component, the supporting component comprises a flat supporting piece and a pressing piece, the flat supporting piece is hinged with the top beam and can be overturned along a hinged position and is matched with the anchor rod, the pressing piece is arranged on the top beam and can reciprocate along the same direction as the extending direction of the anchor rod, the top beam is connected with the supporting piece in a matched mode, the top beam is used for driving the supporting piece to move along the flexible component and is arranged on the upper side of the anchor rod and is used for supporting and moving along the flexible bag. Preferably, the clamping assembly comprises a clamping plate and a first telescopic piece, one end of the first telescopic piece stretches into the top beam, the other end of the first telescopic piece i