CN219061727U

CN219061727U - Hydraulic support for temporary supporting roadway of tunneling working face

Info

Publication number: CN219061727U
Application number: CN202222524286.6U
Authority: CN
Inventors: 王崇景; 苏海龙; 张标; 孙放; 牟平; 秦孟孟; 杨海港
Original assignee: Jining Mining Industry Group Garden Mine Field Resource Development Co ltd
Current assignee: Jining Mining Industry Group Garden Mine Field Resource Development Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-05-23
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses a temporary supporting roadway hydraulic support for a tunneling working face, which comprises a protective top beam and a longitudinal supporting body, wherein two sides of the longitudinal supporting body are connected with a self-moving base through supporting columns, the protective top beam is arranged at the top of the longitudinal supporting body side by side, the end part of each protective top beam is provided with a telescopic beam, the telescopic beam is connected with a secondary telescopic protection wall, the top surface of the secondary telescopic protection wall is embedded and provided with a magnet, and the bottoms of four corners of the longitudinal supporting body are provided with L-shaped hinged deflection cylinder devices; according to the utility model, the L-shaped hinged displacement oil cylinder device on the longitudinal supporting body is used for fixing the hydraulic jumbolter, so that the hydraulic jumbolter is conveniently displaced, the telescopic beam is matched with the secondary telescopic guard, the supporting length is prolonged, the iron guard net of the top plate is effectively sucked by the arranged magnets, the iron guard net is prevented from sliding off to hurt people in the process of surfing the net, the working efficiency is improved, the site operation safety environment is improved, the supporting efficiency of the whole structure is high, and the supporting anchors are aligned.

Description

Hydraulic support for temporary supporting roadway of tunneling working face

Technical Field

The utility model relates to the technical field of coal mining support, in particular to a hydraulic support for a temporary support roadway of a tunneling working face.

Background

It is extremely important that the coal mine keeps the mining relation normal, but the coal mining technology has been developed for many years, the development of the tunneling technology is very slow, the problems of more workers and low efficiency of tunneling construction exist, and the mining relation of many coal mines is tense. Therefore, is needed to improve the related problems of the coal mine development and tunneling technology and accelerate development and tunneling speed. The fully-mechanized coal mining roadway is a system engineering, and the technology related to the coal seam cutting speed and the supporting speed is required to be improved when the fully-mechanized coal mining roadway is improved; the roof temporary support technology in the tunneling process has close relation with the construction speed. At present, a plurality of roof temporary supporting devices and technical means exist, but the supporting speed is low, the efficiency is low or the supporting capacity is smaller, and the requirements on the roof supporting strength cannot be met; or the roof is required to be repeatedly supported for many times, the finished permanent support is damaged, the roof is broken, potential safety hazards exist, and the personal safety of site constructors is easily compromised; or the supporting action point of the top plate can not be controlled, so that the supporting effect of the top plate is not ideal, and compared with mechanical equipment for coal seam cutting and permanent supporting construction, the existing comprehensive digging working face temporary supporting technology is very backward as a matching technology and equipment. Therefore, the requirement for advanced comprehensive temporary support equipment is urgent, and the advanced comprehensive temporary support equipment is directly related to the construction speed and the personal safety of site construction operators.

Disclosure of Invention

The utility model aims to solve the technical problems that: the hydraulic support for the temporary supporting roadway of the tunneling working face is high in safety and supporting efficiency and capable of extending the supporting length.

In order to solve the technical problems, the utility model comprises a protection top beam and a longitudinal supporting body, wherein two sides of the longitudinal supporting body are connected with a self-moving base through supporting columns, the protection top beam is arranged at the top of the longitudinal supporting body side by side, the end part of each protection top beam is provided with a telescopic beam, the telescopic beam is connected with a secondary telescopic protection wall, the top surface of the secondary telescopic protection wall is embedded with a magnet, and the bottoms of four corners of the longitudinal supporting body are provided with L-shaped hinged deflection cylinder devices.

Preferably, the longitudinal carrier comprises a plurality of longitudinal carrier beams and transverse carrier beams, the longitudinal carrier beams are arranged side by side, the transverse carrier beams are arranged at the bottoms of the two ends of the longitudinal carrier beams, and the L-shaped hinged displacement oil cylinder device is arranged at the bottoms of the two ends of the transverse carrier beams.

Preferably, the plurality of protective top beams are hinged between adjacent protective top beams, and at least one longitudinal bearing beam is fixed on the bottom surface of each protective top beam.

Preferably, the middle part of the transverse bearing beam is connected with the self-moving base through a supporting upright, the supporting upright is a telescopic column, and hydraulic telescopic rods are connected between the transverse bearing beam and the self-moving base and positioned on two sides of the supporting upright.

Preferably, the L-shaped hinged deflection oil cylinder device is formed by fixedly connecting two bidirectional self-locking oil cylinders, wherein one bidirectional self-locking oil cylinder is fixedly connected with the transverse bearing beam, and the other bidirectional self-locking oil cylinder is provided with a hydraulic jumbolter fixed point.

Preferably, the self-moving base comprises a bottom beam, two ends of the bottom beam are connected with vertical columns through transverse telescopic members, the vertical columns are connected with the bottom beam through first jacks, the first jacks are embedded into the bottom beam, and the vertical columns are internally provided with longitudinal telescopic columns and bottom fixedly connected supporting members of the longitudinal telescopic columns.

Preferably, the bottom of the telescopic beam is connected with the longitudinal supporting body through a second jack.

Preferably, the two-stage telescopic shoe upper comprises three shoe upper beams which are hinged in sequence, the bottoms of the adjacent shoe upper beams are connected through air cylinder rods, and two ends of the air cylinder rods are connected with the shoe upper bottom through shafts.

The beneficial effects of the utility model are as follows: according to the utility model, the protection top beam is supported by the longitudinal supporting body, the hydraulic jumbolter is fixed by utilizing the L-shaped hinged displacement oil cylinder device on the longitudinal supporting body, the self-moving base drives the whole supporting component to move, the telescopic beam connected with the end part of the protection top beam is shifted, the two-stage telescopic support is connected with the end part of the telescopic beam, the support length is prolonged, the primary centralized top plate permanent support and support moving are carried out after the coal seam is cut, the tunneling efficiency is improved, the arranged magnet is matched with the two-stage telescopic support, the iron support net of the top plate can be effectively magnetically attracted, the iron support net is prevented from slipping to hurt people in the process of surfing the net, the working efficiency is improved, the site operation safety environment is improved, the support efficiency of the whole structure is high, and the support anchor rods are arranged in rows.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a perspective view of another perspective view of the overall structure of the present utility model;

FIG. 3 is a schematic perspective view of a bearing structure according to the present utility model;

FIG. 4 is a perspective view of a self-moving base of the present utility model;

fig. 5 is a schematic perspective view of a two-stage telescopic lasting construction of the present utility model.

In the figure: 1. a protective top beam; 2. a longitudinal carrier; 21. a longitudinal load beam; 22. a transverse load beam; 3. a support column; 4. a self-moving base; 41. a bottom beam; 42. a transverse expansion member; 43. a vertical column; 44. a jack I; 45. a longitudinal telescopic column; 46. a support; 5. a telescopic beam; 6. a second-stage telescopic upper protection; 61. a side protection beam; 62. a cylinder rod; 7. a magnet; 8. an L-shaped hinged deflection oil cylinder device; 9. a hydraulic telescopic rod; 10. and a second jack.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, in which all directional indications (such as up, down, left, right, front, and rear … …) are only used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

As shown in fig. 1-2, this embodiment provides a temporary supporting roadway hydraulic support for a tunneling working face, including protection roof beams 1 and longitudinal supporting bodies 2, the both sides of the longitudinal supporting bodies 2 are connected with self-moving bases 4 through supporting columns 3, protection roof beams 1 are installed at the tops of the longitudinal supporting bodies 2 side by side, protection roof beams 1 are hinged between a plurality of adjacent protection roof beams 1, the bottom surface of each protection roof beam 1 is fixed with a longitudinal bearing beam 21, a telescopic beam 5 is installed at the end of each protection roof beam 1, the bottom of the telescopic beam 5 is connected with the longitudinal supporting bodies 2 through two jacks 10, the end of the telescopic beam 5 is fixedly connected with two telescopic supporting sides 6, magnets 7 are installed on the top surface of the two telescopic supporting sides 6 in an embedded manner, the magnets 7 can effectively absorb roof iron supporting nets, the iron supporting nets slide down to hurt people in the process of surfing, the working environment of site safety is improved while the working efficiency is improved, L-shaped hinged oil cylinder devices 8 are installed at the four corners of the bottom of the longitudinal supporting bodies 2, four hydraulic drilling rigs can be carried by the L-shaped hinged oil cylinder devices 8, and the anchor bolts are prevented from being manually moved, the anchor bolts are integrally supported and have fixed positions, and the anchor bolts are integrally supported and are fixed in rows.

As shown in fig. 3, the longitudinal carrier 2 includes a plurality of longitudinal carrier beams 21 and transverse carrier beams 22, the longitudinal carrier beams 21 are arranged side by side, the transverse carrier beams 22 are arranged at the bottoms of two ends of the longitudinal carrier beams 21, the L-shaped hinged displacement cylinder device 8 is arranged at the bottoms of two ends of the transverse carrier beams 22, the transverse carrier beams 22 are utilized to support the plurality of longitudinal carrier beams 21, thereby supporting the protective top beam 1, the structural support is realized, the middle part of the transverse carrier beams 22 is connected with the self-moving base 4 through a supporting upright post 3, the supporting upright post 3 is a telescopic post, hydraulic telescopic rods 9 are connected between the transverse carrier beams 22 and the self-moving base 4 and are positioned at two sides of the supporting upright post 3, so as to adapt to different supporting heights, meanwhile, the L-shaped hinged displacement cylinder device 8 is formed by fixedly connecting two bidirectional self-locking cylinders, one bidirectional self-locking cylinder is fixedly connected with the transverse carrier beams 22, the other bidirectional self-locking cylinder is provided with a hydraulic anchor drilling machine fixed point, the two bidirectional self-locking cylinders are fixedly connected to form an L-shaped structure, the hydraulic anchor drilling machine can be carried, the hydraulic anchor drilling machine is avoided, the manual handling of the hydraulic anchor drilling machine is improved, and the working strength is reduced.

As shown in fig. 4, the self-moving base 4 includes a bottom beam 41, two ends of the bottom beam 41 are connected with vertical columns 43 through transverse telescopic members 42, the vertical columns 43 are connected with the bottom beam 41 through first jacks 44, the first jacks 44 are embedded into the bottom beam 41, longitudinal telescopic columns 45 are arranged in the vertical columns 43, bottom fixedly connected supporting members 46 of the longitudinal telescopic columns 45 are fixedly connected with each other, a jack is also arranged in the vertical columns 43, the longitudinal telescopic columns 45 can be jacked, and the telescopic matching of the first jacks 44 and the telescopic matching of the longitudinal telescopic columns 45 to the supporting members 46 are utilized to realize movement of the bottom beam 41.

As shown in fig. 5, the two-stage telescopic protection wall 6 comprises three sections of protection wall beams 61 which are sequentially hinged, the bottoms of the adjacent protection wall beams 61 are connected through air cylinder rods 62, two ends of each air cylinder rod 62 are connected with the bottom of the protection wall in a shaft mode, the two-stage telescopic protection wall is matched with the telescopic quantity, accordingly the roadway deep support length is extended, the multi-section protection wall beams 61 are adopted and the air cylinder rods 62 are connected, the protection wall beams 61 can be bent and contracted, the magnet 7 on the protection wall beams 61 is utilized to absorb the top plate iron protection net, people are prevented from being injured by the iron protection net sliding in the surfing process, and the safe construction environment can be ensured.

The working principle of the utility model is as follows: the vertical supporting body is supported by the self-moving base 4 to support the protection top beam to realize the support of the top plate, meanwhile, the hydraulic jumbolter is fixed by utilizing the L-shaped hinged deflection oil cylinder device 8 on the vertical supporting body, the self-moving base 4 drives the whole supporting component to move to shift the hydraulic jumbolter, the telescopic beams 5 are connected with the ends of the protection top beams, the two-stage telescopic support sides 6 are connected with the ends of the telescopic beams 5 to prolong the support length, the permanent support and the moving support of the top plate are carried out once after the coal seam is cut, the tunneling efficiency is improved, the arranged magnet 7 is matched with the two-stage telescopic support sides 6, the iron support net of the top plate can be effectively magnetically sucked, the iron support net is prevented from sliding off to hurt people in the process of surfing the net, the safety environment of site operation is improved while the working efficiency is improved, the support efficiency of the whole structure is high, and the support anchor rods are realized in rows.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tunnelling face temporary support tunnel hydraulic support, includes protection back timber and longitudinal support body, its characterized in that: the two sides of the longitudinal supporting body are connected with the self-moving base through supporting columns, the protection top beams are installed at the top of the longitudinal supporting body side by side, the end parts of each protection top beam are provided with telescopic beams, the telescopic beams are connected with the two-stage telescopic protection sides, the top surfaces of the two-stage telescopic protection sides are embedded with magnets, and the bottoms of four corners of the longitudinal supporting body are provided with L-shaped hinged deflection cylinder devices.

2. The hydraulic support for temporary supporting roadways on a tunneling working face according to claim 1, wherein: the longitudinal bearing body comprises a plurality of longitudinal bearing beams and transverse bearing beams, the longitudinal bearing beams are arranged side by side, the transverse bearing beams are arranged at the bottoms of the two ends of the longitudinal bearing beams, and the L-shaped hinged deflection cylinder devices are arranged at the bottoms of the two ends of the transverse bearing beams.

3. A hydraulic support for temporary support of a heading face as defined in claim 2, wherein: the protection roof beam is a plurality of and articulated between the adjacent protection roof beam, and the bottom surface of every protection roof beam all is fixed with at least one vertical carrier bar.

4. A hydraulic support for temporary support of a heading face as defined in claim 2, wherein: the middle part of horizontal carrier bar is connected with the base of moving certainly through the support post, and the support post is the telescopic column, is located the support post both sides between horizontal carrier bar and the base of moving certainly and is connected with hydraulic telescoping rod.

5. A hydraulic support for temporary support of a heading face as defined in claim 2, wherein: the L-shaped hinged deflection oil cylinder device is formed by fixedly connecting two bidirectional self-lockable oil cylinders, wherein one bidirectional self-lockable oil cylinder is fixedly connected with the transverse bearing beam, and the other bidirectional self-lockable oil cylinder is provided with a hydraulic jumbolter fixed point.

6. The hydraulic support for temporary supporting roadways on a tunneling working face according to claim 1, wherein: the self-moving base comprises a bottom beam, two ends of the bottom beam are connected with vertical columns through transverse telescopic pieces, the vertical columns are connected with the bottom beam through first jacks, the first jacks are embedded into the bottom beam, and the vertical columns are internally provided with longitudinal telescopic columns and bottom fixedly connected supporting pieces of the longitudinal telescopic columns.

7. The hydraulic support for temporary supporting roadways on a tunneling working face according to claim 1, wherein: the bottom of the telescopic beam is connected with the longitudinal supporting body through a second jack.

8. A temporary support roadway hydraulic support for a driving face according to any one of claims 1 to 7, wherein: the two-stage telescopic shoe upper comprises three shoe upper beams which are hinged in sequence, the bottoms of the adjacent shoe upper beams are connected through air cylinder rods, and two ends of the air cylinder rods are connected with the shoe upper bottom through shafts.