阅读说明：本技术 单轨吊运输式牵引超前支护装置 (Monorail crane transport type traction advance support device ) 是由 孔凯鹏 李雪伟 郭宝玉 李威震 滕达 金耀辉 宋会 张治国 李川 鲍志强 王瑞 于 2021-08-05 设计创作，主要内容包括：本发明涉及单轨吊运输式牵引超前支护装置,包括多个并排且高度和宽度均可调节的门状支架,所述门状支架中间转动安装有行走机构,所述行走机构底部沿门状支架的排列方向滑动吊装有导轨,所述门状支架包括两个相对设置的顶部支座,两个所述顶部支座内相对安装第一伸缩机构,两个第一伸缩机构之间设有旋转轴,所述行走机构转动安装在旋转轴上,所述顶部支座底部设有第二伸缩机构；本发明涉及单轨吊运输式牵引超前支护装置,具有操作简单、节省人力、减少大型运输设备投入的优点。(The invention relates to a monorail crane transport type traction advance support device, which comprises a plurality of portal supports which are arranged side by side and adjustable in height and width, wherein a travelling mechanism is rotatably arranged in the middle of each portal support, a guide rail is hung at the bottom of each travelling mechanism in a sliding manner along the arrangement direction of the portal supports, each portal support comprises two top supports which are arranged oppositely, first telescopic mechanisms are oppositely arranged in the two top supports, a rotating shaft is arranged between the two first telescopic mechanisms, each travelling mechanism is rotatably arranged on the corresponding rotating shaft, and a second telescopic mechanism is arranged at the bottom of each top support; the invention relates to a monorail crane transportation type traction advance support device which has the advantages of being simple to operate, saving manpower and reducing investment of large-scale transportation equipment.)

1. The single track hangs transportation formula and pulls advance support device, its characterized in that, including a plurality of side by side and the equal adjustable door form support of height and width, rotation installs running gear (5) in the middle of the door form support, running gear (5) bottom is along the array direction sliding hoist of door form support and is had guide rail (6).

2. The monorail crane transport type traction forepoling device is characterized in that the portal bracket comprises two oppositely arranged top supports (1), first telescopic mechanisms (2) are oppositely arranged in the two top supports (1), a rotating shaft is arranged between the two first telescopic mechanisms (2), and the travelling mechanism (5) is rotatably arranged on the rotating shaft.

3. Monorail crane haulage forepoling device according to claim 2, characterized in that the top support (1) is provided with a second telescopic mechanism (3) at the bottom.

4. Monorail crane haulage forepoling device according to claim 3, characterized in that the bottom support (4) is rotatably mounted at the bottom of the second telescopic mechanism (3).

5. The monorail crane transport-type traction forepoling device as defined in claim 1, wherein said travelling mechanism (5) comprises a rotary sleeve (7) rotatably mounted on the top support (1), a rotary connecting rod (8) is rotatably mounted at the bottom of said rotary sleeve (7), and travelling wheels (9) are mounted at the bottom of said rotary connecting rod (8).

6. The monorail crane transport type traction advance support device as defined in claim 5, wherein track grooves are formed in the left end and the right end of the guide rail (6) along the extension direction, the travelling wheels (9) are located in the track grooves, and the width of the track grooves is larger than the sum of the diameters of the two travelling wheels (9).

7. The monorail crane transport type traction forepoling device as defined in claim 5, wherein said plurality of said travelling wheels (9) are provided, a plurality of said travelling wheels (9) are arranged along the extension direction of the guide rail (6), and a plurality of said travelling wheels (9) are rotatably mounted on the rotary connecting rod (8) through a connecting plate.

8. The monorail crane transport type traction advance support device as defined in claim 1, further comprising a traction mechanism, wherein the head end and the tail end of the guide rail (6) are respectively provided with a hook hole matched with the traction mechanism, and the door-shaped bracket is provided with a hook ring matched with the traction mechanism.

9. Monorail crane haulage forepoling installation according to claim 8, characterized in that the head and tail ends of the guide rail (6) are provided with blocking means.

10. The monorail crane transport-type tractive advance support device of claim 8, wherein a guide wheel is provided on said portal frame.

Technical Field

The invention relates to the technical field of coal mine roadway supporting devices, in particular to a monorail crane transportation type traction advance supporting device.

Background

And (3) reinforcing supports in the influence range of the advance pressure of all the safety outlets and the roadway connection parts of the coal face, wherein the length of the roadway of the reinforcing supports is not less than 20 m. The traditional advance support is supported by single pillars, the single pillars move from back to front along with the advance of a working face, and the traditional step-type advance support hydraulic support has the defects of repeated support caused by frequent pillar descending and frame moving operations, damage to a top plate and the like; the frequent operation of guide rail need be circulated dismouting to the support holder to need the cooperation of large-scale transportation equipment, the staff need carry repeatedly and prop up and establish work at this in-process, intensity of labour is big, and the poor tunnel of condition is strutted density greatly, and the manual work removes danger higher.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a monorail crane transportation type traction advance support device, which is used for solving the problems that the existing advance support device needs to be carried repeatedly by manpower and large-scale transportation equipment is required to be invested when in use.

The invention is realized by the following technical scheme: the single track hangs transportation formula and pulls advance support device, includes a plurality of side by side and the equal adjustable door form support of height and width, rotate in the middle of the door form support and install running gear, the running gear bottom has the guide rail along the range direction sliding hoist of door form support.

Furthermore, the portal support comprises two oppositely-arranged top supports, two first telescopic mechanisms are oppositely arranged in the top supports, a rotating shaft is arranged between the two first telescopic mechanisms, and the travelling mechanism is rotatably arranged on the rotating shaft.

Further, a second telescopic mechanism is arranged at the bottom of the top support.

Further, a bottom support is rotatably arranged at the bottom of the second telescopic mechanism.

Further, running gear is including rotating the swivel sleeve of installing on the top support, swivel sleeve bottom is rotated and is installed rotatory connecting rod, the walking wheel is installed to rotatory connecting rod bottom.

Furthermore, track grooves are formed in the left end and the right end of the guide rail in the extending direction, the walking wheels are located in the track grooves, and the width value of the track grooves is larger than the sum of the diameters of the two walking wheels.

Furthermore, the walking wheels are multiple and arranged along the extending direction of the guide rail, and the walking wheels are rotatably installed on the rotating connecting rod through the connecting plate.

Furthermore, the device also comprises a traction mechanism, hook holes matched with the traction mechanism are respectively formed at the head end and the tail end of the guide rail, and hook rings matched with the traction mechanism are arranged on the door-shaped support.

Furthermore, the head end and the tail end of the guide rail are both provided with a blocking mechanism.

Furthermore, a guide wheel is arranged on the door-shaped bracket.

The invention has the beneficial effects that: the invention relates to a monorail crane transport type traction forepoling device, which comprises a plurality of door-shaped supports with adjustable height and width, wherein a travelling mechanism is rotatably arranged in the middle of each door-shaped support, a guide rail is hung at the bottom of each travelling mechanism in a sliding manner along the arrangement direction of the door-shaped supports, the door-shaped supports are arranged and laid along the extension direction of a roadway, when a working surface is pushed, one door-shaped support far away from the working surface is separated from a support, then the height and the width are contracted, after the travelling mechanism rotates around the door-shaped supports, the door-shaped supports are hung on the guide rail through the travelling mechanisms, the door-shaped supports are pushed to advance towards the working surface along a track, when the working surface is pushed, the height and the width of the door-shaped supports are recovered, the door-shaped supports which are originally positioned at the tail end are moved to the head end position, the adjustment work of one door-shaped support is completed, so that the cyclic pushing is realized, the structure is simple, the stability is strong, and the labor intensity of workers is low, the danger is low.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a schematic view of the structure of a door-like holder according to embodiment 1;

FIG. 3 is a schematic structural view of a traveling mechanism according to embodiment 1;

fig. 4 is a schematic view of the guide rail structure of embodiment 2.

Wherein: 1. a top support; 2. a first telescoping mechanism; 3. a second telescoping mechanism; 4. a bottom support; 5. a traveling mechanism; 6. a guide rail; 7. a rotating sleeve; 8. rotating the connecting rod; 9. and (5) traveling wheels.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-3, the monorail crane transport type traction advance support device comprises a plurality of side-by-side portal supports with adjustable height and width, wherein the portal supports are arranged and laid along the extending direction of a roadway, and the length of a support surface is between 20m and 40m according to the existing industry standard, so that the number of the portal supports is about 30, the length of a guide rail 6 is made according to the total length of the support device, the support device can be laid in the roadway with the gradient of less than 15 degrees, the portal supports at the head end and the tail end in the support device are respectively positioned above the head end and the tail end of the guide rail 6, in the embodiment, one end close to the working surface is used as the head end, and one end far away from the working surface is used as the tail end;

when the working face is pushed, the portal bracket at the tail end far away from the working face is separated from the support, then the height and the width are contracted, after the travelling mechanism rotates around the portal bracket, the portal bracket at the tail end is hung on the guide rail 6 through the travelling mechanism 5, the portal bracket is pushed to advance towards the working face along the guide rail 6, when the portal bracket advances to be close to the working face, the height and the width of the portal bracket are recovered, the portal bracket at the tail end originally moves to the head end position, and the adjustment work of the portal bracket is completed, so that the cyclic pushing is realized, the structure is simple, the stability is strong, the labor intensity of workers is low, and the danger is low;

the portal support comprises two top supports 1 which are oppositely arranged, the top supports 1 are of a cylinder structure with an opening mounting groove at one end, the openings of the two top supports 1 are opposite, first telescopic mechanisms 2 are oppositely mounted in the two top supports 1, the first telescopic mechanisms 2 can be selected to be hydraulic cylinders, the hydraulic cylinders are mounted in the mounting groove, a rotating shaft is arranged between the two first telescopic mechanisms 2 and mounted between the two hydraulic cylinders, the first telescopic mechanisms 2 are telescopic to change the width of the portal support, a second telescopic mechanism 3 is arranged at the bottom of the top supports 1, the second telescopic mechanism 3 can also be selected to be a hydraulic cylinder, the second telescopic mechanism 3 can be telescopic to change the height of the portal support, a bottom support 4 is rotatably mounted at the bottom of the second telescopic mechanism 3, the rotating direction of the bottom support 4 is the front or the rear of a roadway, and the stability of the portal support is improved, meanwhile, the door-shaped bracket can be inclined when moving conveniently;

the walking mechanism 5 is rotatably installed in the middle of the portal support, the walking mechanism 5 is rotatably installed on the rotating shaft, the walking mechanism 5 comprises a rotating sleeve 7 rotatably installed on the top support 1, the rotating sleeve 7 is formed by connecting two semicircular shaft sleeves in a threaded mode, the rotating sleeve 7 is installed on the rotating shaft in a clearance mode, two rotating connecting rods 8 are rotatably installed at the bottom of the rotating sleeve 7 and are respectively located on two sides of the guide rail 6, walking wheels 9 are installed at the bottom of each rotating connecting rod 8, a plurality of walking wheels 9 are arranged along the extending direction of the guide rail 6, the stability of the walking device during operation on the guide rail 6 is improved, and the walking wheels 9 are rotatably installed on the rotating connecting rods 8 through connecting plates so as to facilitate inclination of the portal support during movement;

the bottom of the travelling mechanism 5 is hung with a guide rail 6 along the arrangement direction of the door-shaped supports in a sliding way, the left and right ends of the guide rail 6 are provided with rail grooves along the extending direction, the section of the guide rail 6 is I-shaped, when the door-shaped supports are in a supporting state, the travelling wheels 9 are driven to be in contact with the top end surfaces of the rail grooves, the guide rail 6 is hung up through the travelling wheels 9, when the door-shaped supports need to move, the height and the width are reduced, at the moment, the travelling wheels 9 are in contact with the bottom end surfaces of the rail grooves, after the door-shaped supports at the tail end are reduced in size, the door-shaped supports move from the inner sides of other door-shaped supports to the working surface direction, the travelling wheels 9 are positioned in the rail grooves, the vertical width of the rail grooves is larger than the sum of the diameters of the two travelling wheels 9, the door-shaped supports which need to move can drive the travelling wheels which need to move to pass through the lower parts of other travelling wheels when the rail grooves move, the convenience of this supporting device operation is improved.

Example 2

As shown in fig. 4, a monorail crane transport type traction advance support device is different from embodiment 1 in that the device further includes a traction mechanism, the traction mechanism can select a winch matched in a roadway, the winch is located on one side of the support device far away from a working surface, that is, a portal bracket near the tail end of the winch, the head end and the tail end of the guide rail 6 are respectively provided with a hook hole matched with the traction mechanism, in this embodiment, the guide rail 6 can select a guide rail with an i-steel structure, the guide rail 6 is provided with a hook hole or welded with a hook ring, the portal bracket is provided with a hook ring matched with the traction mechanism, after a steel wire rope of the winch bypasses the hook ring on the portal bracket near the working surface, a travelling wheel 9 of the portal bracket at the tail end is manually clamped on the guide rail 6 and hooked on the hook hole or the hook ring at the tail end of the guide rail 6, and the steel wire rope is tightened, the travelling wheels 9 at the tail end move towards the head end relative to the portal support at the tail end, namely the rotating connecting rods 8 are in a state of inclining towards the tail end, then the second telescopic mechanism 3 is contracted, the portal support at the tail end begins to descend, the portal support at the tail end continues to rotate and incline towards the tail end direction around the bottom support 4 in the descending process of the portal support, and after the rotating sleeve 7 bypasses the tail end of the guide rail 6, the portal support at the tail end continues to descend to a vertical state;

the locking state of a travelling wheel 9 is removed, then a second telescopic mechanism 3 is continuously contracted, the travelling wheel 9 descends from the top end surface of a track groove to the bottom end surface, a gate-shaped support at the tail end drives a bottom support 4 to start to ascend and leave the ground, finally a first telescopic mechanism 2 is contracted, the width size of the gate-shaped support at the tail end is smaller than that of other gate-shaped supports, a steel wire rope penetrates through a hook ring of the gate-shaped support at the head end and then is hooked on the gate-shaped hook ring at the tail end, the steel wire rope is contracted, the gate-shaped support at the tail end is pulled towards the head end until the gate-shaped support at the tail end is flush with the gate-shaped support at the head end, the steel wire rope is taken down, the steel wire rope is hooked on a hook hole or a hook ring after passing through the hook ring again, the steel wire rope is moved towards the tail end direction when pulling a guide rail 6, and then the gate-shaped support at the tail end is manually pushed to continue to move towards the working surface direction;

after the door-shaped support moves to a preset distance, a first telescopic mechanism 2 and a second telescopic mechanism 3 of the door-shaped support at the tail end are extended, a rotary sleeve 7 is made to rise to a height close to a guide rail 6, then a steel wire rope is tightened, the guide rail 6 moves towards the tail end until the head end of the guide rail 6 drives a travelling wheel 9 to enable a rotary connecting rod 8 to be in an inclined state again and the head end of the guide rail 6 crosses over the rotary sleeve 7, the steel wire rope is taken down and hung on a hanging hole or a hanging ring of the guide rail 6, the steel wire rope moves towards the head end direction when pulling the guide rail 6, the second telescopic mechanism 3 is continuously lifted, after the mounting sleeve 7 crosses over the guide rail 6, the steel wire rope is tightened, after the head end of the guide rail 6 exceeds the section of a roadway where the door-shaped support at the tail end is located, the steel wire rope is taken down, the second telescopic mechanism 3 is lifted to a top support 1 to support the top surface of the roadway, the door-shaped support at the tail end becomes a new door-shaped support at the head end, accomplish a door form support adjustment work, 6 head ends of guide rail and tail end all are equipped with stifled deadly mechanism, and when 6 adopted the I-steel to make as the guide rail, the head end and the tail end of I-steel all welded stifled deadly mechanism, stifled deadly mechanism optional be the metal block, like the iron plate, are equipped with the leading wheel on the door form support, and the leading wheel makes wire rope bypass more easily than the shackle, takes off, further improves the convenience of operation.

The working principle is as follows: when the support device is used, the support device is laid in a roadway, when the support device needs to be pushed forwards, the portal-shaped support at the tail end descends and contracts, the portal-shaped support at the tail end moves to the position below the guide rail 6 from the position above the guide rail 6 and is hung on the guide rail 6 through the walking wheels 9, the guide rail 6 is hung on the inner side of the support device through the walking wheels 9 on other portal-shaped supports, then the portal-shaped support at the tail end is pushed towards the working face direction, after the portal-shaped support at the tail end is pushed to a preset position, the portal-shaped support at the tail end is re-unfolded to support the top surface of the roadway, the portal-shaped support at the tail end becomes a new portal-shaped support at the head end, and one working cycle is completed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.