CN116557016A

CN116557016A - Top anchor bolt supporting mechanism

Info

Publication number: CN116557016A
Application number: CN202310759278.6A
Authority: CN
Inventors: 佟天吉; 高明; 解永强
Original assignee: Guojiawan Coal Mine Branch Of Guoneng Yulin Energy Co ltd
Current assignee: Guojiawan Coal Mine Branch Of Guoneng Yulin Energy Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2023-08-08

Abstract

The invention discloses a top anchor bolt supporting mechanism, and belongs to the field of anchor bolt supporting. The supporting mechanism comprises a lower box body, a sliding box body, an upper box body and a drill arm mechanism. The end part of the lower box body is provided with a guide hole, and a sliding bearing is arranged in the guide hole. The sliding box body comprises a sliding box, a cylindrical guide rail, a long sliding oil cylinder, an angle adjusting oil cylinder and a rotating shaft which are connected with the sliding box, wherein the cylindrical guide rail and the sliding bearing form a sliding friction pair, and the first drill arm mechanism is connected with the rotating shaft. The first boom mechanism is subjected to angle adjustment under the action of the angle adjustment oil cylinder and horizontally slides under the action of the long-sliding oil cylinder. The upper box body realizes horizontal sliding and angle adjustment of the second drill arm mechanism. The four drilling arm mechanisms can independently realize horizontal position adjustment and angle adjustment, and the limitation that the drilling arms of the existing supporting mechanism cannot move and cannot be suitable for supporting at different intervals is solved. The supporting mechanism is simple in structure, convenient to process and high in guiding precision, and can efficiently complete supporting operation of the top anchor rod.

Description

Top anchor bolt supporting mechanism

Technical Field

The invention relates to the technical field of underground roadway roof anchor bolt support, in particular to a roof anchor bolt support mechanism.

Background

At present, the supporting operation of the anchor rod at the top of the coal mine tunnel at home and abroad is mostly carried out by equipment such as an excavating and anchoring machine, a four-arm drill carriage, an anchor rod transfer unit and the like, and the supporting mechanism generally has the defects that the space between the inner side drill arms is not adjustable, only the anchor rod construction operation with single space can be carried out, and only the roof anchor rod construction with single supporting parameter can be carried out. Therefore, coal production enterprises often need to purchase a plurality of supporting equipment or reform equipment to adapt to the top anchor rod supporting operation of different supporting parameters, so that the problems of high enterprise cost, complex and inflexible operation, low supporting efficiency and the like are caused.

The novel roof bolt support mechanism suitable for different support parameters is developed on the basis of the defects and the shortcomings of the existing roof bolt support mechanism in structure and function, so that the novel roof bolt support mechanism can flexibly and conveniently realize the adjustment of the drill boom spacing, the construction operation of the anchor rods meeting the requirements of different support spacing is realized, the production efficiency of coal production enterprises is improved, and the equipment purchasing cost is reduced.

Disclosure of Invention

The technical problem to be solved by the invention is to provide the top anchor rod supporting mechanism, so that the top anchor rod supporting mechanism can flexibly and conveniently realize the adjustment of the drill boom spacing, so as to meet the construction operation of anchor rods with different supporting spacing requirements, improve the production efficiency of coal production enterprises, reduce the equipment purchasing cost and overcome the defects of the existing top anchor rod supporting mechanism.

In order to solve the technical problems, the invention provides a top anchor bolt supporting mechanism, which comprises a lower box body, a sliding box body and a first drill arm mechanism, wherein a fixing mechanism for fixing the bottom surface or the side surface of the lower box body on external equipment is arranged on the bottom surface or the side surface of the lower box body, the sliding box body is arranged on the side part of the lower box body, 2 guide holes are formed in the end part, opposite to the sliding box body, of the lower box body, sliding bearings are arranged in the guide holes, the sliding box body comprises a sliding box, a cylindrical guide rail, a long sliding oil cylinder, a first angle adjusting oil cylinder and a first rotary shaft, the cylindrical guide rail comprises 2 cylindrical guide rails, one ends of the 2 cylindrical guide rails are respectively fixed on the lower part of the sliding box, the other ends of the cylindrical guide rails respectively extend into the sliding bearings of the guide holes, one end of the long sliding oil cylinder is arranged on an oil cylinder seat in the lower box body, the first rotary shaft is arranged on the upper part of the sliding box, the first angle adjusting oil cylinder comprises two guide holes, sliding bearings are respectively hinged with two sides of the first rotary shafts, the first angle adjusting oil cylinder and the first drill arm mechanism is connected with the first angle adjusting mechanism in a rotary mode along with the first angle adjusting mechanism in the horizontal direction, and the first drill arm is adjusted by the first angle adjusting mechanism.

Further improved, the first angle adjusting oil cylinder drives the first rotary shaft to rotate outwards by 95 degrees and inwards by 5 degrees.

Further improved, the sliding box body comprises two guide holes which are respectively arranged at two ends of the lower box body and are positioned at two ends of the lower box body in an up-down staggered arrangement.

Further improvement still includes the box and the second drill boom mechanism of being connected with it, it fixes to go up the box lower part, it is equipped with left and right sliding mechanism to go up the box inside, left and right sliding mechanism includes cylinder guide bar, slider, connecting plate and short cylinder that slides, the cylinder guide bar includes two, and parallel arrangement respectively is in go up the box inside, all be equipped with on the cylinder guide bar the slider, two the slider passes through the connecting plate is connected, the one end of short cylinder that slides is connected the connecting plate, the other end is connected go up the box, second drill boom mechanism with the connecting plate is connected, then second drill boom mechanism is in under the effect of short cylinder, along with the adjustment of horizontal position is realized to the connecting plate.

Further improved, a second rotating shaft is arranged on the connecting plate, the second drill arm mechanism is connected with the second rotating shaft, a second angle adjusting oil cylinder is further arranged on the connecting plate, one end of the second angle adjusting oil cylinder is connected with the connecting plate, the other end of the second angle adjusting oil cylinder is connected with the second rotating shaft, and the second angle adjusting oil cylinder is used for realizing the rotation of the second rotating shaft and further realizing the angle adjustment of the second drill arm mechanism.

Further improved, the upper part of the lower box body is provided with two upper box bodies and the second drill arm mechanisms correspondingly connected with the upper box bodies, and the two upper box bodies are symmetrically arranged.

Further improved, the second angle adjusting oil cylinder drives the second rotary shaft to rotate leftwards and rightwards by 5 degrees respectively.

Further improved, the distal end of the guide hole is provided with a dust ring.

Further improved, the first drill arm mechanism and the second drill arm mechanism comprise a drill arm mounting seat, a propelling mechanism, a swinging oil cylinder and a drill box, the drill arm mounting seat adopts a Y-shaped structure, one end of the Y-shaped structure is fixedly connected with the first rotating shaft or the second rotating shaft, the other end of the Y-shaped structure is hinged to two sides of a supporting part of the propelling mechanism, one end of the swinging oil cylinder is hinged to the drill arm mounting seat, the other end of the swinging oil cylinder is hinged to a supporting part of the propelling mechanism, the drill box is mounted on the propelling mechanism, and then the first drill arm mechanism or the second drill arm mechanism swings forward and backward by 5 degrees under the action of the swinging oil cylinder.

Further improved, the propelling mechanism adopts a cylindrical guide rail type propelling structure, and the drill box adopts a dry drill box or a wet drill box.

Further improved, the first drill arm mechanism and the second drill arm mechanism each comprise an operation table, and the operation tables are mounted at the upper side parts of the supporting parts of the propelling mechanism.

With such a design, the invention has at least the following advantages:

1. according to the top anchor rod supporting mechanism, the first drill arm mechanism is driven to horizontally slide left and right under the action of the long-sliding oil cylinder through the sliding box body arranged on the side part of the lower box body and through the matching of the guide hole and the cylindrical guide rail, so that the supporting positions of the left and right top anchor rods are adjusted, and the supporting range of the top anchor rods is enlarged; and the first drill arm mechanism can rotate outwards and inwards under the action of the first rotary shaft and the first angle adjusting oil cylinder, so that the requirement of aligning meshes and facilitating the operation of the anchor rod is met. When the first drill arm mechanism rotates outwards by 95 degrees, the first drill arm mechanism swings outwards to a horizontal position, so that the support operation of the upper anchor rod can be carried out in an emergency manner, and the support range is widened.

2. The two sliding boxes are arranged, and the guide holes at the two ends of the lower box are arranged in a vertically staggered manner, so that the mutual interference of the two sliding boxes in use is avoided, and the sliding box is simple and practical; the symmetrical arrangement of the two upper boxes can realize the left and right position adjustment and left and right angle adjustment of the two second drilling boom mechanisms, thereby being more beneficial to meeting the requirement of aligning meshes, enhancing the flexibility of the drilling boom, being applicable to the top anchor bolt support with different intervals, overcoming the defect of single parameter of the existing anchor bolt support and meeting the requirement of different anchor bolt operations. The cylindrical guide rail and the cylindrical guide rod are arranged, so that parts can be conveniently machined and manufactured, and the effect of high guide precision is achieved.

3. The top anchor bolt supporting mechanism is arranged on a platform of external equipment such as a drill carriage, an anchor bolt transfer unit, an anchor digger and the like through the fixing mechanism arranged on the lower box body, so that the whole top anchor bolt supporting mechanism is used as an executing mechanism of the external equipment, and the top anchor bolt supporting operation is efficiently carried out. The four drill arm mechanisms respectively and independently realize horizontal sliding and angle swinging, so that the limitation that the drill arms on the inner sides of the conventional top anchor rod supporting mechanisms cannot move and cannot be suitable for top anchor rod supporting at different intervals is solved.

Drawings

The foregoing is merely an overview of the present invention, and the present invention is further described in detail below with reference to the accompanying drawings and detailed description.

Fig. 1 is a schematic front view of the roof bolt support mechanism of the present invention.

Fig. 2 is a schematic rear view of the roof bolt support mechanism of the present invention.

Fig. 3 is a schematic left-hand view of the roof bolt support mechanism of the present invention.

Fig. 4 is a schematic top view of the roof bolt support mechanism of the present invention.

Fig. 5 is a schematic front view of the structure of the upper housing in the roof bolt support mechanism of the present invention.

Fig. 6 is a schematic view of the back of the structure of the upper housing of the roof bolt support mechanism of the present invention.

Fig. 7 is a schematic view of the structure of the lower housing in the roof bolt support mechanism of the present invention.

Fig. 8 is a schematic view of the structure of the slip case in the roof bolt support mechanism of the present invention.

Fig. 9 is a schematic view of the structure of the drill arm mechanism in the roof bolt support mechanism of the present invention.

Wherein: 1-a lower box body; 11-a guide hole; 12-a sliding bearing; 13-a dust ring; 14-a sliding oil cylinder seat; 2-an upper box body; 21-connecting plates; 22-a cylindrical guide rod; 23-a second angle adjusting cylinder; 24-a second rotary shaft; 25-sliding blocks; 26-a short slip cylinder; 3-slipping box body; 31-a slide box; 32-a cylindrical guide rail; 33-a long-sliding oil cylinder; 34-a first angle adjusting cylinder; 35-a first rotary shaft; 4-a drill arm mechanism; 401-a first boom mechanism; 402-a second boom mechanism; 41-an operation table; 42-propulsion mechanism; 43-boom mount; 44-swinging oil cylinder; 45-drilling box.

Detailed Description

Referring to fig. 1 to 4, the roof bolt support mechanism of the present embodiment includes a lower casing 1, an upper casing 2, a sliding casing 3, and a drill arm mechanism 4.

In this embodiment, the lower case 1 belongs to a base member of the supporting mechanism, and a fixing mechanism is arranged on a bottom surface or a side surface of the lower case, and is used for being connected with a working platform of various external supporting operation equipment, such as a platform of external equipment including a drill carriage, an anchor rod transfer unit, an anchor digger and the like, so that the working position of the supporting mechanism is adjusted by using the walking and lifting working platform of the external equipment, and efficient roof-bolt supporting operation is realized. The lower box body 1 is used for installing the upper box body 2 and the sliding box body 3.

Referring to fig. 5 and 6, the upper case 2 is mounted on the upper side of the lower case 1 by bolts in the present embodiment, and a left-right sliding mechanism is provided inside the upper case. The left-right sliding mechanism comprises a cylindrical guide rod 22, a sliding block 25, a connecting plate 21 and a short sliding oil cylinder 26. The cylinder guide rod 22 includes two, and parallel through round nut setting respectively is in the inside of last box 2, all be equipped with on the cylinder guide rod 22 slider 25, two slider 25 passes through connecting plate 21 connects, the one end of short hydro-cylinder that slides 26 is connected connecting plate 21, the other end is connected go up box 2. The connection plate 21 is provided with a second pivot shaft 24, and the second boom mechanism 402 is connected to the second pivot shaft 24. And a second angle adjusting cylinder 23 is further arranged on the connecting plate 21, one end of the second angle adjusting cylinder 23 is connected with the connecting plate 21, and the other end is connected with the second rotating shaft 24. The second angle adjustment cylinder 23 is used for realizing the rotation of the second rotary shaft 24, and further realizing the angle adjustment of the second drill arm mechanism 402. In this embodiment, the second boom mechanism 402 can rotate left or right by 5 °. Of course, the rotation angle can also be adjusted according to the implementation requirements. The second boom mechanism 402 is also adjusted in horizontal position with the connecting plate 21 by the short slip cylinder 26.

In the preferred embodiment, two upper cases 2 are symmetrically installed on the upper part of the lower case 1. Thus, under the action of the short sliding cylinders 26 corresponding to the two second drilling arm mechanisms 402, the horizontal position is adjusted along with the corresponding connecting plate 21, so that the distance between the two second drilling arm mechanisms 402 can be adjusted, and the device is flexible and convenient, and overcomes the defect of single supporting parameters of the top anchor rod in the prior art.

Referring again to fig. 7 and 8, the end of the lower case 1 is provided with 2 guide holes 11, and a sliding bearing 12 is installed in the guide holes 11. The sliding box body 3 comprises a sliding box 31, a cylindrical guide rail 32, a long sliding oil cylinder 33, a first angle adjusting oil cylinder 34 and a first rotary shaft 35. The cylindrical guide rails 32 include 2, one ends of the 2 cylindrical guide rails 32 are respectively fixed at the lower part of the slide box 31, and the other ends respectively extend into the sliding bearings 12 of the guide holes 11, so that the sliding bearings 12 and the cylindrical guide rails 32 form a sliding friction pair. One end of the long-sliding oil cylinder 33 is installed on the sliding box 31, and the other end is installed on the oil cylinder seat 14 inside the lower box body 1. The first rotating shaft 35 is mounted on the upper portion of the slide box 31, the first angle adjusting cylinders 34 include two first angle adjusting cylinders, and are respectively hinged to two sides of the first rotating shaft 35, and are used for enabling the first rotating shaft 35 to rotate inwards and outwards, the first rotating shaft 35 is fixedly connected with the first drilling arm mechanism 401, then the first drilling arm mechanism 401 rotates along with the first rotating shaft 35 under the action of the two first angle adjusting cylinders 34, angle adjustment is achieved, and under the action of the long sliding cylinders 33, horizontal position adjustment is achieved through horizontal sliding of the cylindrical guide rails 32 of the slide box 31 in the guide holes 11.

Specifically, the first boom mechanism 401 rotates by 100 ° along with the first rotation shaft 35 under the action of the two first angle adjusting cylinders 34, so as to achieve the effect of swinging inwards by 5 ° and swinging outwards by 95 °, and when the first boom mechanism 401 swings outwards by 95 ° to a horizontal position, the upper anchor supporting operation can be performed, and the upper anchor supporting in an emergency state is provided.

In a preferred embodiment, the sliding box body 3 includes two sliding box bodies, which are respectively arranged at two ends of the lower box body 1, and the guiding holes 11 positioned at two ends of the lower box body 1 are arranged in a vertically staggered manner. When the sliding box bodies 3 on the two sides retract towards the middle, the interference of the cylindrical guide rails 32 of the sliding box bodies 3 is avoided, and the sliding is smooth.

In this embodiment, the distal end of the guide hole 11 is further provided with a dust ring 13, which is specifically installed on the outer side of the sliding bearing 12, so as to prevent external dirt from entering the sliding friction pair, and ensure smooth operation of the sliding friction pair.

Referring to fig. 9, the boom mechanism 4 in this embodiment includes a first boom mechanism 401 connected to the first pivot shaft 35 and a second boom mechanism 402 connected to the second pivot shaft 24, and the 4 boom mechanisms are arranged in a row on one side of the lower case 1, i.e., two outer boom mechanisms and two inner boom mechanisms. The first drill arm mechanism 401 and the second drill arm mechanism 402 are identical in structure.

Specifically, the drill arm mechanism 4 includes a propulsion mechanism 42, a drill arm mounting seat 43, a swing cylinder 44, and a drill box 45. The drill boom mounting seat 43 adopts a Y-shaped structure, one end of the Y-shaped structure is fixedly connected with the rotary shaft, the other end of the Y-shaped structure is hinged to two sides of a supporting position of the propulsion mechanism 42, one end of the swing cylinder 44 is hinged to the drill boom mounting seat 43, the other end of the swing cylinder 44 is hinged to the supporting position of the propulsion mechanism 42, the drill box 45 is mounted on the propulsion mechanism 42, and then the drill boom mechanism 4 swings forward and backward by 5 degrees under the action of the swing cylinder 44.

The propulsion mechanism 42 in this embodiment adopts a cylindrical guide type propulsion structure. The drill box 45 is a dry drill box or a wet drill box, and if the dry drill box is selected, a negative pressure dust removal system is also required to be arranged in a matching way.

In a preferred embodiment, each of the boom mechanisms 4 includes a console 41, and the console 41 is mounted on an upper side of the support portion of the propulsion mechanism 42. That is, each drill arm mechanism corresponds to one operation table 41, so that the defect that the drill arm mechanism is inconvenient to operate after position adjustment is overcome, and each drill arm mechanism is ensured to independently complete the anchor rod supporting operation.

In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "left", "right", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The above description is only of the preferred embodiments of the present invention, and is not intended to limit the invention in any way, and some simple modifications, equivalent variations or modifications can be made by those skilled in the art using the teachings disclosed herein, which fall within the scope of the present invention.

Claims

1. The utility model provides a top anchor bolt support mechanism, its characterized in that includes lower box, slides box and first drill boom mechanism, be equipped with on the bottom surface or the side of lower box and be used for fixing its fixed establishment on external equipment, slide the box setting and be in the lateral part of lower box, lower box with the tip that the box is relative is equipped with 2 guiding holes that slide, install slide bearing in the guiding hole, slide the box including slide box, cylindrical guide rail, long sliding cylinder, first angle adjustment cylinder and first revolving axle, cylindrical guide rail includes 2, 2 cylindrical guide rail's one end is fixed respectively the lower part of slide box, the other end stretches into respectively among the slide bearing of guiding hole, long sliding cylinder one end is installed on the slide box, the other end is installed on the inside hydro-cylinder seat of lower box, first revolving axle is installed the upper portion of slide box, first angle adjustment cylinder includes two respectively with the both sides of first revolving axle are articulated for realizing first revolving axle and long sliding cylinder, the one end is fixed in the lower angle adjustment mechanism of first angle adjustment cylinder and first drill boom, the horizontal adjustment of two is realized along with the first angle adjustment mechanism is in the first angle is in the first drill boom.

2. The roof bolt support mechanism of claim 1 wherein the first angle adjustment cylinder drives the first swivel shaft to effect an outward 95 ° and an inward 5 ° rotation.

3. The roof bolt support mechanism of claim 2, wherein the sliding box comprises two sliding boxes which are respectively arranged at two ends of the lower box, and the guide holes at two ends of the lower box are arranged in a vertically staggered manner.

4. The roof bolt support mechanism according to claim 3, further comprising an upper box body and a second drill arm mechanism connected with the upper box body, wherein the upper box body is fixed on the upper portion of the lower box body, a left sliding mechanism and a right sliding mechanism are arranged in the upper box body, each left sliding mechanism comprises a cylindrical guide rod, two sliding blocks, a connecting plate and a short sliding oil cylinder, the cylindrical guide rods are arranged in the upper box body in parallel respectively, the sliding blocks are arranged on the cylindrical guide rods, the two sliding blocks are connected through the connecting plate, one end of each short sliding oil cylinder is connected with the connecting plate, the other end of each short sliding oil cylinder is connected with the upper box body, the second drill arm mechanism is connected with the connecting plate, and then the second drill arm mechanism is used for realizing horizontal position adjustment along with the connecting plate under the action of the short sliding oil cylinders.

5. The roof bolt support mechanism of claim 4, wherein a second pivot is provided on the connection plate, the second drill arm mechanism is connected to the second pivot, and a second angle adjustment cylinder is further provided on the connection plate, one end of the second angle adjustment cylinder is connected to the connection plate, and the other end is connected to the second pivot, so as to implement rotation of the second pivot, and further implement angle adjustment of the second drill arm mechanism.

6. The roof bolt support mechanism of claim 5, wherein the second angle adjustment cylinder drives the second swivel shaft to rotate 5 ° to the left and right.

7. The roof bolt support mechanism of claim 6, wherein the upper portion of the lower housing is provided with two upper housings and the second boom mechanism correspondingly connected thereto, the two upper housings being symmetrically arranged.

8. The roof bolt support mechanism according to any one of claims 1 to 7, wherein the first and second boom mechanisms each comprise a boom mount, a propulsion mechanism, a swing cylinder and a drill box, the boom mount adopts a Y-shaped structure, one end of the Y-shaped structure is fixedly connected with the first or second pivot, the other end of the Y-shaped structure is hinged to two sides of a supporting portion of the propulsion mechanism, one end of the swing cylinder is hinged to the boom mount, the other end of the swing cylinder is hinged to the supporting portion of the propulsion mechanism, and the drill box is mounted on the propulsion mechanism, so that the first or second boom mechanism swings forward and backward by 5 degrees under the action of the swing cylinder.

9. The roof bolt support mechanism of claim 8, wherein the propulsion mechanism is a cylindrical rail propulsion mechanism and the drill box is a dry drill box or a wet drill box.

10. The roof bolt support mechanism of claim 8, wherein the first and second boom mechanisms each include an operating table mounted on an upper side of the support portion of the propulsion mechanism.