CN117846493B - Six-arm anchor rod drill carriage with top wall anchor rod supporting function - Google Patents
Six-arm anchor rod drill carriage with top wall anchor rod supporting function Download PDFInfo
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- CN117846493B CN117846493B CN202410252597.2A CN202410252597A CN117846493B CN 117846493 B CN117846493 B CN 117846493B CN 202410252597 A CN202410252597 A CN 202410252597A CN 117846493 B CN117846493 B CN 117846493B
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- 230000001681 protective effect Effects 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 58
- 238000005553 drilling Methods 0.000 claims description 47
- 239000000428 dust Substances 0.000 claims description 22
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 8
- 239000011435 rock Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000005065 mining Methods 0.000 abstract description 14
- 230000005641 tunneling Effects 0.000 description 14
- 239000003245 coal Substances 0.000 description 6
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The invention discloses a six-arm anchor rod drill carriage with a top anchor rod supporting function, which comprises a walking part, a body part, a platform lifting oil cylinder, a working platform, a top anchor rod drill arm part, a protective ceiling, a top anchor rod drill arm part, a hydraulic system and an electric system, wherein the walking part is arranged on the body part; the walking part is positioned at the bottom of the drill carriage; the body part is arranged in the middle and at the rear part of the walking part; the working platform is positioned on the walking part and the body part, and the platform lifting oil cylinder is arranged between the body part and the working platform to drive the working platform to lift; the top anchor rod drill arm part is arranged at the front end of the working platform; the protective ceiling and the upper anchor rod drill arm part are arranged at the rear part of the working platform; the top anchor rod drill arm and the upper anchor rod drill arm can operate simultaneously; the hydraulic system and the electric system are arranged at the rear end above the body part. The six-arm anchor rod drill carriage can effectively reduce the number of working personnel and supporting operation equipment on a working face, improve the supporting operation efficiency, reduce the blank upper time, avoid the hidden danger of upper caving, improve the operation safety and further relieve the contradiction of mining imbalance.
Description
Technical Field
The invention relates to the field of anchor rod drilling carts for supporting operation underground coal mines, in particular to a six-arm anchor rod drilling cart with a top wall anchor rod supporting function, which is suitable for supporting continuous mining machines to carry out anchor rod supporting operation.
Background
With the development of technology, the highest annual output of fully mechanized mining face exceeds 1600 ten thousand tons. However, the tunneling working face for equipment transportation, ventilation and coal transportation of the tunneling roadway of the fully mechanized mining working face is more and more not in line with the coal mining speed, the contradiction of mining imbalance is further highlighted, in the tunneling operation of the roadway, the starting rate of the continuous mining machine is only about 30%, the rest of the time is used for supporting, and the low supporting efficiency is the most important factor for influencing tunneling footage and generating mining imbalance.
In the coal mine tunnel tunneling, the continuous mining double-tunnel tunneling process equipment is mature and reliable, tunneling and supporting can be synchronously performed, and tunneling footage is fastest. The continuous mining double-roadway tunneling working face operation equipment mainly comprises a continuous miner, a shuttle car, a crusher, a belt conveyor, a four-arm roof bolt drill carriage, and a small number of roadways further comprise six-arm side roof bolt drill carriages. The operation steps of most continuous mining double-roadway tunneling roadway are as follows: after the continuous miner finishes coal cutting, conveying the cut materials to a shuttle car positioned at the rear part through a conveyor; the shuttle car transfers the materials to the crusher, and the materials are conveyed out of the roadway through the belt conveyor after being crushed; the shuttle car and the continuous miner enter another roadway through a connecting roadway, and the operation steps are repeated; the four-arm roof bolt drill carriage enters a roadway head on which tunneling is just completed through a connecting roadway to carry out roof bolt support operation; the hand-held pneumatic drill or the electric coal drill of the manual scaffold is used for supporting the upper anchor rod. The operation mode has the advantages of more people, low efficiency, high labor intensity, safety and no guarantee, and the problems that the upper anchor rod cannot be supported in time and the distance between the upper anchor rod and the upper anchor rod is overlarge exist, and particularly for an easy-to-be-stripped roadway, workers are often required to stand on the four-arm roof-bolter drill carriage body to support the upper anchor rod, the four-arm roof-bolter drill carriage operation is interfered, and the roadway tunneling speed is further reduced.
It is apparent that the above-mentioned conventional anchor drilling carriage still has inconvenience and defects in structure, method and use, and further improvement is needed. How to create a new anchor rod drill carriage with the function of supporting the top wall anchor rod, so that the number of working personnel and equipment on a working surface can be reduced, the supporting operation efficiency is improved, the hidden danger of ledge-forming safety is avoided, the operation safety is improved, and the anchor rod drill carriage becomes an urgent need for improvement in the current industry.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the anchor rod drill carriage with the function of supporting the top wall anchor rod, so that the number of working personnel and supporting operation equipment on a working surface can be effectively reduced, the supporting operation efficiency is improved, the blank wall time is reduced, the potential safety hazard of the side wall is avoided, and the operation safety is improved, thereby overcoming the defects in the prior art.
In order to solve the technical defects, the invention adopts the following technical scheme:
a six-arm anchor rod drill carriage with a top anchor rod supporting function comprises a walking part, a body part, a platform lifting oil cylinder, a working platform, a top anchor rod drill arm part, a protective ceiling, a top anchor rod drill arm part, a hydraulic system and an electric system;
The walking part is positioned at the bottom of the drill carriage; the body part is arranged in the middle and at the rear of the walking part; the working platform is positioned on the walking part and the body part, and the platform lifting oil cylinder is arranged between the body part and the working platform to drive the working platform to lift;
The top anchor rod drill arm part is arranged at the front end of the working platform and comprises four top anchor rod drill arms which are vertically arranged in a row; the protection ceiling and the upper anchor rod drilling arm part are arranged at the rear part of the working platform and comprise a personnel protection ceiling and two upper anchor rod drilling arms which are symmetrically arranged, and the personnel protection ceiling is positioned between the four roof anchor rod drilling arms and the two upper anchor rod drilling arms; the top anchor rod drilling arm and the upper anchor rod drilling arm can work simultaneously;
the hydraulic system and the electric system are arranged at the rear end above the body part.
As a further improvement of the invention, the walking part is a crawler-type walking mechanism and is divided into a left part and a right part, and the left part and the right part are respectively arranged at two sides of the body part through flat keys and bolts; each part comprises a traveling motor, a track beam, a track, a tensioning mechanism and a speed reducer, wherein the track is arranged on the track beam and the tightness degree of the track is adjusted through the tensioning mechanism; the walking motor is a double-speed hydraulic motor capable of switching between high speed and low speed.
Further, the body part comprises a body frame, a left side frame, a front support leg oil cylinder group, a right side frame and a rear support leg oil cylinder group; the two sides of the front part of the body frame are connected with the walking part, and the hydraulic system and the electric system are arranged above the rear part; the left side frame and the right side frame are positioned at the rear upper part of the installation position of the walking part and are fixedly connected with the body frame; the front support leg oil cylinder group and the rear support leg oil cylinder group are respectively provided with two sets of support leg oil cylinders which are respectively arranged at the front end of the body frame and behind the left frame and the right frame, and the whole machine can be supported for overhauling and maintaining the walking part.
Further, the working platform comprises a platform frame body, a front connecting rod and a rear connecting rod; the upper ends of the front connecting rod and the rear connecting rod are hinged with the platform frame body, and the lower ends of the front connecting rod and the rear connecting rod are hinged with the body part to form a parallelogram mechanism; the upper end of the platform lifting oil cylinder is hinged with the platform frame body, the lower end of the platform lifting oil cylinder is hinged with the body, and the parallelogram mechanism is driven by the platform lifting oil cylinder to realize the lifting and the flat falling of the working platform.
Further, the working platform also comprises a turning plate and a hopper; the two turning plates are arranged on two sides of the platform frame body, and the turning of the two turning plates is controlled by the oil cylinder; the two hoppers are fixed above the rear part of the platform frame body, extend horizontally and backwards and are positioned above the electric system and the hydraulic system and used for storing tools and consumables used for construction.
Further, the working platform further comprises a staircase, wherein the staircase comprises two staircase support rods and a plurality of staircase steps arranged between the two staircase support rods, the front end of each staircase step is hinged with a rear connecting rod, and the rear end of each staircase step is hinged with the two staircase support rods; the bottom end of the escalator supporting rod is hinged with the body part; the escalator is positioned between the two hoppers.
Further, the top anchor rod drill arm part comprises a top anchor rod executing mechanism comprising four top anchor rod drill arms, a shifting mechanism and a temporary supporting mechanism; the roof bolt executing mechanism further comprises operation tables respectively and correspondingly arranged on each roof bolt drill arm, and the roof bolt drill arms have an automatic propulsion function and can be operated by one person simultaneously; the displacement mechanism comprises a fixed box body and a sliding box body, wherein the fixed box body is provided with two middle top anchor rod drilling arms, and the fixed box body is provided with an oil cylinder which can drive the two middle top anchor rod drilling arms to swing back and forth and left and right; the two top anchor rod drilling arms on two sides of the sliding box body are arranged, and the oil cylinders are arranged on the sliding box body and can drive the two top anchor rod drilling arms on two sides to slide to two sides and swing back and forth and left and right; the temporary supporting mechanism is arranged on the fixed box body and comprises two sets of ground supporting oil cylinders and two sets of top supporting oil cylinders which are symmetrically arranged.
Further, in the protection ceiling and the upper anchor rod drill arm part, the personnel protection ceiling comprises a ceiling lifting upright post, a fixed ceiling and a sliding ceiling; the protective ceiling and the upper anchor rod drill arm part comprise an upper anchor rod executing mechanism which also comprises the upper anchor rod drill arm; the upper anchor rod executing mechanism further comprises a lifting slideway, a sliding block, a swinging motor, a speed doubling mechanism and an operating platform; the two ceiling lifting upright posts are symmetrically arranged on the working platform, the fixed ceiling is arranged at the top ends of the two ceiling lifting upright posts, and the two sliding ceiling are connected with the fixed ceiling in a sliding manner and can slide out from the fixed ceiling to two sides; the lifting slideway is arranged on a lifting sleeve of the lifting upright post of the ceiling; the sliding block is driven by the speed doubling mechanism formed by the oil cylinder and the chain to drive the swing motor and the anchor rod drilling arm connected with the sliding block to move up and down along the lifting slideway; the auxiliary anchor rod drill arm is arranged on a swing motor, the swing motor can rotate 90 degrees, and the auxiliary anchor rod drill arm can be adjusted to a horizontal position of a working state from a vertical position of a driving state; the operation platform is arranged on the corresponding upper anchor rod drilling arm.
Furthermore, the projection distance of the top anchor rod drilling arm and the upper anchor rod drilling arm on the roadway upper part is twice the anchor rod row distance, and the top anchor rod drilling arm and the upper anchor rod drilling arm can operate simultaneously.
Further, the device also comprises a dust removal system, wherein the dust removal system is a dry dust removal system and a wet dust removal system, the top anchor rod drill boom adopts a negative pressure fan type dry dust removal system, and the upper anchor rod drill boom adopts a wet dust removal system.
By adopting the technical scheme, the invention has at least the following beneficial effects:
(1) The six-arm anchor rod drill carriage can alternately work with a continuous miner in parallel, comprises four roof anchor rod drill arms and two side anchor rod drill arms, can simultaneously carry out roof and side anchor rod supporting work, realizes multiple purposes, effectively reduces the number of working personnel and supporting work equipment on a working face, and improves the supporting work efficiency; and as the top anchor rod support is carried out and the two-side anchor rod support of the roadway is carried out, the blank side time can be reduced, the potential safety hazard of side slabbing is avoided, and the method can be widely applied to continuous mining double-roadway tunneling working faces.
(2) The six-arm anchor rod drill carriage adopts an integral lifting working platform in structure and function, and can enable a working mechanism (an anchor rod drill arm part, a protective ceiling and an anchor rod drill arm part) and operators on the working platform to be adjusted up and down through the lifting of the working platform according to the height condition of a roadway, so that the mechanized operation construction of anchor rod holes with different heights and different angles in the roadway can be realized conveniently.
(3) By adopting the personnel protection ceiling positioned between the four roof bolt drill arms and the two side bolt drill arms, a plurality of operators can simultaneously carry out supporting operation of the roof bolt and the side bolt in the same safety protection space, and the operation safety is greatly improved.
(4) The working platform can be lifted and lowered flatly and stably by adopting the parallelogram mechanism to be matched with the platform lifting oil cylinder according to the operation requirement; the working platform adopts a special escalator, and can be lifted simultaneously along with the working platform, so that constructors can conveniently and safely go up and down before and after the platform is lifted.
(5) By adopting the top anchor rod drill arm part comprising the top anchor rod executing mechanism, the shifting mechanism and the temporary supporting mechanism, the top anchor rod drill arm can work more flexibly and stably.
(6) The upper anchor rod drill boom is provided with a 3-level lifting mechanism, namely, lifting along with a working platform, lifting along with a ceiling upright post and lifting along with a speed doubling mechanism, so that mechanized operation construction of anchor rod holes with different heights and different angles in a roadway can be realized more conveniently.
(7) The roof bolt drill arm and the side bolt drill arm are adopted to project the distance of the roof bolt drill arm to the roadway side part to be twice the row distance of the roof bolt, so that roof bolt and side bolt supporting operation can be simultaneously carried out.
(8) The six-arm anchor rod drill carriage has the characteristics of comprehensive drilling function, good safety, high working efficiency, low labor intensity of workers and the like, and can greatly shorten the support operation time and improve the support efficiency and the support quality when used for carrying out anchor rod support operation.
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 perspective view of a six-arm anchor drilling carriage with a top wall anchor support function according to an embodiment of the present invention.
Fig. 2 is a schematic top view of a six-arm anchor drilling rig with a top wall anchor support function according to an embodiment of the present invention.
Fig. 3 is a schematic view of a walking unit according to an embodiment of the present invention.
Fig. 4 is a schematic view of a body portion according to an embodiment of the present invention.
Fig. 5 is a schematic view of a working platform according to an embodiment of the present invention.
Fig. 6 is a schematic illustration of a roof bolt drill arm construction in an embodiment of the present invention.
FIG. 7 is a schematic view of a guard ceiling and upper rock bolt boom portion in accordance with an embodiment of the present invention.
In the figure: 1-walking part, 2-body part, 3-platform lifting cylinder, 4-working platform, 5-top anchor rod drilling arm part, 6-protection ceiling and side anchor rod drilling arm part, 7-dust removing system, 8-hydraulic system, 9-electric system, 1.1-walking motor, 1.2-track beam, 1.3-track, 1.4-tensioning mechanism, 1.5-speed reducer, 2.1 body frame, 2.2-left side frame, 2.3-front support leg cylinder group, 2.4-right side frame, 2.5-rear support leg cylinder group, 4.1-platform frame body, and 4.2-turning plate, 4.3-front connecting rod, 4.4-rear connecting rod, 4.5-hopper, 4.6-staircase, 4.6.1-staircase supporting rod, 4.6.2-staircase step, 5.1-top anchor drilling arm, 5.2-operation platform, 5.3-fixed box, 5.4-sliding box, 5.5-ground supporting cylinder, 5.6-top supporting cylinder, 6.1-ceiling lifting upright, 6.2-ceiling, 6.3-sliding plate, 6.4-lifting slideway, 6.5-sliding block, 6.6-swing motor, 6.7-double speed mechanism, 6.8-side anchor drilling arm and 6.9-operation platform.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1 and 2, the six-arm anchor rod drill carriage with the function of supporting a top anchor rod comprises a walking part 1, a body part 2, a platform lifting cylinder 3, a working platform 4, a top anchor rod drill arm part 5, a protective ceiling, a top anchor rod drill arm part 6, a dust removal system 7, a hydraulic system 8, an electric system 9 and the like. The walking part 1 is positioned at the bottom of the drill carriage; the body part 2 is arranged in the middle and at the rear of the walking part 1; the working platform 4 is positioned on the walking part 1 and the body part 2, and the platform lifting cylinder 3 is arranged between the body part 2 and the working platform 4 to drive the working platform 4 to lift; the top anchor rod drill arm part 5 is arranged at the front end of the working platform 4 and comprises four top anchor rod drill arms which are vertically arranged in a row; the protection ceiling and side anchor rod drilling arm part 6 is arranged at the rear part of the working platform 4 and comprises a personnel protection ceiling and two side anchor rod drilling arms which are symmetrically arranged, wherein the personnel protection ceiling is positioned between four top anchor rod drilling arms and two side anchor rod drilling arms, and operators stand under the same protection ceiling for operation during construction operation of the top anchor rods and the side anchor rods; the roof bolt drill arm and the side bolt drill arm can operate simultaneously, for example, the projection distance of the roof bolt drill arm and the side bolt drill arm on the roadway side part is twice the row pitch of the bolts; the dust removing system 7 is a dry dust removing system and a wet dust removing system, for example, a roof bolt drill boom adopts a negative pressure fan type dry dust removing system, and dust is removed by four sets of negative pressure fans; the upper anchor rod drill arm adopts a wet dust removing system, and dust and chip removal are carried out by water. The hydraulic system 8 and the electric system 9 are arranged at the rear end above the body part and provide power for the drill carriage and control the drill carriage.
As shown in fig. 3, the walking part 1 is a crawler-type walking mechanism and is positioned at the bottom of the drill carriage and is divided into a left part and a right part, and the left part and the right part are respectively arranged at two sides of the body part 2 through flat keys and bolts; each part comprises a traveling motor 1.1, a track beam 1.2, a track 1.3, a tensioning mechanism 1.4 and a speed reducer 1.5, wherein the track 1.3 is arranged on the track beam 1.2, the tightness degree of the track is adjusted through the tensioning mechanism 1.3, the traveling motor 1.1 is arranged at the rear end of the track beam 1.2 and is connected with the speed reducer 1.5, and the speed reducer 1.5 is driven to drive the track 1.3 to move so as to realize forward and backward movement of a drill; the walking motor 1.1 is a double-speed hydraulic motor capable of switching between high speed and low speed.
As shown in fig. 4, the body part 2 comprises a body frame 2.1, a left side frame 2.2, a front support leg oil cylinder group 2.3, a right side frame 2.4 and a rear support leg oil cylinder group 2.5; the two sides of the front part of the body frame 2.1 are connected with the walking part 1, and the upper part of the rear part is used for installing a hydraulic system 8 and an electric system 9; the left side frame 2.2 and the right side frame 2.4 are positioned at the rear upper part of the installation position of the walking part 1, are fixedly connected with the body frame 2.1 and are used for installing a dry dust removal system; the front support leg oil cylinder group 2.3 and the rear support leg oil cylinder group 2.5 are respectively provided with two sets of support leg oil cylinders, the front support leg oil cylinder group 2.3 is arranged at the front end of the body frame 2.1, the rear support leg oil cylinder group 2.5 is arranged behind the left side frame 2.1 and the right side frame 2.2, and the whole machine can be supported, so that the walking part 1 is convenient to overhaul and maintain.
As shown in fig. 5, the working platform 4 comprises a platform frame body 4.1, a turning plate 4.2, a front connecting rod 4.3, a rear connecting rod 4.4, a hopper 4.5 and an escalator 4.6. The upper ends of the front connecting rod 4.3 and the rear connecting rod 4.4 are hinged with the platform frame body 4.1, and the lower ends are hinged with the body part 2 to form a parallelogram mechanism, so that the workbench can be stably lifted; the upper end of the platform lifting oil cylinder 3 is hinged with the platform frame body 4.1, the lower end is hinged with the body part 2, and the parallelogram mechanism is driven by the platform lifting oil cylinder 3 to realize the flat lifting and the flat falling of the working platform. The number of the turning plates 4.2 is two, the turning plates are arranged on two sides of the platform frame body 4.1, and the turning of the turning plates is controlled by an oil cylinder. The two hoppers 4.5 are fixed above the rear part of the platform frame body 4.1, horizontally extend backwards and are positioned above the hydraulic system 8 and the electric system 9 and used for storing tools, consumables and the like used for construction. The escalator 4.6 comprises two escalator support rods 4.6.1 and a plurality of escalator steps 4.6.2 arranged between the two escalator support rods 4.6.1, the front end of each escalator step 4.6.2 is hinged with the rear connecting rod 4.4, and the rear end of each escalator step 4.6.2 is hinged with the two escalator support rods 4.6.1; the bottom end of the escalator supporting rod 4.6.1 is hinged with the body part 2; the escalator 4.6 is located in the middle of the two hoppers 4.5.
As shown in fig. 6, the top anchor drill arm 5 comprises a top anchor rod executing mechanism, a shifting mechanism and a temporary supporting mechanism; the roof bolt actuating mechanism comprises a roof bolt drill boom 5.1 and an operating platform 5.2, the position changing mechanism comprises a fixed box body 5.3 and a sliding box body 5.4, and the temporary supporting mechanism comprises a ground supporting oil cylinder 5.5 and a roof supporting oil cylinder 5.6. Four roof bolt drilling arms 5.1 are vertically arranged in a row and are arranged on one side close to the working platform 4, four operating tables 5.2 are respectively arranged on the corresponding roof bolt drilling arms 5.1, and the roof bolt drilling arms 5.1 have an automatic propelling function and can be operated by one person simultaneously; the fixed box body 5.3 is provided with two middle top anchor rod drilling arms 5.1, and the fixed box body 5.3 is provided with an oil cylinder which can drive the two middle top anchor rod drilling arms 5.1 to swing back and forth and left and right; two top anchor rod drilling arms 5.1 on two sides are arranged on the sliding box body 5.4, and an oil cylinder is arranged on the sliding box body 5.4 and can drive the two top anchor rod drilling arms 5.1 to slide to two sides and swing forwards and backwards and leftwards and rightwards; the temporary supporting mechanism is arranged on the fixed box body 5.3 and comprises two sets of ground supporting oil cylinders 5.5 and two sets of top supporting oil cylinders 5.6 which are symmetrically arranged, the temporary supporting mechanism is positioned at the forefront end of the equipment and stretches out during use, so that the 'top-to-the-sky and the ground' of the temporary supporting mechanism is ensured, and the safety of personnel and the equipment during operation is ensured.
As shown in fig. 7, the protection ceiling and the upper anchor drill arm part 6 are installed on the working platform 4 and are positioned behind the upper anchor drill arm part 5, and the structure of the upper anchor drill arm part comprises a ceiling lifting upright post 6.1, a fixed ceiling 6.2, a sliding ceiling 6.3, a lifting slideway 6.4, a sliding block 6.5, a swinging motor 6.6, a speed doubling mechanism 6.7, an upper anchor drill arm 6.8 and an operating platform 6.9. The two ceiling lifting upright posts 6.1 are symmetrically arranged on the working platform 4, the fixed ceiling 6.2 is arranged at the top ends of the two ceiling lifting upright posts 6.1, and the space below the ceiling is adjusted by adjusting the height of the ceiling lifting upright posts 6.1, so that the operation is convenient; the two sliding ceilings 6.3 are connected with the fixed ceilings 6.2 in a sliding way, and can slide out from the fixed ceilings 6.2 to two sides, so that the protection width is ensured to meet the requirements of supporting operation;
The lifting slide way 6.4 is arranged on a lifting sleeve of the ceiling lifting upright post 6.1, and the lifting slide way 6.4 can be lifted along with the working platform 4 or the fixed ceiling 6.2; the sliding block 6.5 is driven by a speed doubling mechanism 6.7 formed by an oil cylinder and a chain to drive a swing motor 6.6 and an anchor rod drilling arm 6.8 connected with the sliding block to move up and down along the lifting slideway 6.4; the auxiliary anchor rod drill arm 6.8 is arranged on the swing motor 6.6, the swing motor 6.6 can rotate 90 degrees, and the auxiliary anchor rod drill arm 6.8 can be adjusted to the horizontal position of the working state from the vertical position of the driving state; the operating table 6.9 is mounted on the counter bolt boom 6.8.
The six-arm anchor rod drill carriage supporting operation flow is as follows: positioning by utilizing a laser beam in the center line of the roadway, and operating the drill carriage to move to the position to be supported to center and stop in the roadway; after confirming that the drill carriage is moved in place, the working platform 4 is lifted to a proper working height; the ground supporting oil cylinder 5.5 and the top supporting oil cylinder 5.6 at the forefront end of the drill carriage extend out to ensure that a temporary support mechanism is used for supporting the ground; unfolding turning plates 4.2 on two sides of the working platform 4; extending out of the sliding ceiling 6.3 to a proper width; 2 roof bolt constructors operate four roof bolt drill arms 5.1 to carry out 4 roof bolt support operations in the middle of the roadway; the outer side top anchor rod drill boom 5.1 slides outwards for 1 anchor rod interval, and 2 top anchor rod supporting operations are carried out at the backup position; 2 group anchor rod constructors stand back to back with the roof anchor rod constructors, the operation group anchor rod drill arms 6.8 rotate to a horizontal working state from a vertical state, and the group anchor rod support operation is carried out.
The anchor rod drill carriage with the roof side anchor rod supporting function can realize multiple purposes, can also carry out the tunnel two-side anchor rod supporting while carrying out the roof side anchor rod supporting, reduces the blank side distance, prevents the occurrence of the potential safety hazard of the ledge, can be widely applied to the continuous mining two-lane tunneling working face, and relieves the contradiction of mining imbalance. The drill carriage adopts the integral lifting working platform in structure and function, and the lifting platform can enable a working mechanism and operators to be adjusted up and down through lifting of the platform according to the height condition of the roadway, so that mechanized operation construction of anchor rod holes with different heights and different angles in the roadway can be realized conveniently. The drill carriage has the characteristics of comprehensive drilling function, good safety, high working efficiency, low labor intensity of workers and the like, and can greatly shorten the supporting operation time and improve the supporting efficiency and the supporting quality when used for carrying out the anchor bolt supporting operation.
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 will be within the scope of the invention by those skilled in the art using the disclosure herein. 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 (5)
1. The six-arm anchor rod drill carriage with the function of supporting the top upper anchor rod is characterized by comprising a walking part, a body part, a platform lifting oil cylinder, a working platform, a top anchor rod drill arm part, a protective ceiling, a top anchor rod drill arm part, a hydraulic system and an electric system;
The walking part is positioned at the bottom of the drill carriage; the body part is arranged in the middle and at the rear of the walking part; the working platform is positioned on the walking part and the body part, and the platform lifting oil cylinder is arranged between the body part and the working platform to drive the working platform to lift;
The top anchor rod drill arm part is arranged at the front end of the working platform and comprises 4 top anchor rod drill arms which are vertically arranged in a row; the protection ceiling and the upper anchor rod drill arm part are arranged at the rear part of the working platform and comprise personnel protection ceilings and 2 upper anchor rod drill arms which are symmetrically arranged, wherein the personnel protection ceilings are positioned between the 4 roof anchor rod drill arms and the 2 upper anchor rod drill arms; the top anchor rod drilling arm and the upper anchor rod drilling arm can work simultaneously;
the hydraulic system and the electric system are arranged at the rear end above the body part;
The body part comprises a body frame, a left frame, a front support leg oil cylinder group, a right frame and a rear support leg oil cylinder group; the two sides of the front part of the body frame are connected with the walking part, and the hydraulic system and the electric system are arranged above the rear part; the left side frame and the right side frame are positioned at the rear upper part of the installation position of the walking part and are fixedly connected with the body frame; the front support leg oil cylinder group and the rear support leg oil cylinder group are respectively provided with 2 sets of support leg oil cylinders which are respectively arranged at the front end of the body frame and behind the left frame and the right frame, so that the whole machine can be supported for overhauling and maintaining the walking part;
The working platform comprises a platform frame body, a front connecting rod and a rear connecting rod; the upper ends of the front connecting rod and the rear connecting rod are hinged with the platform frame body, and the lower ends of the front connecting rod and the rear connecting rod are hinged with the body part to form a parallelogram mechanism; the upper end of the platform lifting oil cylinder is hinged with the platform frame body, the lower end of the platform lifting oil cylinder is hinged with the body, and the parallelogram mechanism is driven by the platform lifting oil cylinder to realize the lifting and the flat falling of the working platform;
The working platform also comprises a turning plate and a hopper; the number of turning plates is 2, the turning plates are arranged on two sides of the platform frame body, and the turning of the turning plates is controlled by an oil cylinder; the number of the hoppers is 2, the hoppers are fixed above the rear part of the platform frame body, extend horizontally and backwards and are positioned above the electric system and the hydraulic system, and the hoppers are used for storing tools and consumables used for construction;
the working platform further comprises a staircase, wherein the staircase comprises 2 staircase support rods and a plurality of staircase steps arranged between the 2 staircase support rods, the front end of each staircase step is hinged with a rear connecting rod, and the rear end of each staircase step is hinged with the 2 staircase support rods; the bottom end of the escalator supporting rod is hinged with the body part; the escalator is positioned in the middle of the 2 hoppers;
In the protective ceiling and the upper anchor rod drill arm part, the personnel protective ceiling comprises a ceiling lifting upright post, a fixed ceiling and a sliding ceiling; the protective ceiling and the upper anchor rod drill arm part comprise an upper anchor rod executing mechanism which also comprises the upper anchor rod drill arm; the upper anchor rod executing mechanism further comprises a lifting slideway, a sliding block, a swinging motor, a speed doubling mechanism and an operating platform;
The number of the lifting columns of the ceiling is 2, the lifting columns of the ceiling are symmetrically arranged on the working platform, the fixed ceiling is arranged at the top ends of the lifting columns of the 2 ceiling, the number of the sliding ceiling is 2, and the sliding ceiling is connected with the fixed ceiling in a sliding manner and can slide out of the fixed ceiling to two sides;
the lifting slideway is arranged on a lifting sleeve of the lifting upright post of the ceiling;
the sliding block is driven by the speed doubling mechanism formed by the oil cylinder and the chain to drive the swing motor and the anchor rod drilling arm connected with the sliding block to move up and down along the lifting slideway;
The upper anchor rod drill arm is arranged on a swing motor, the swing motor can rotate 90 degrees, and the upper anchor rod drill arm can be adjusted to a horizontal position of a working state from a vertical position of a driving state; the operation platform is arranged on the corresponding upper anchor rod drilling arm.
2. The six-arm anchor rod drill carriage with the top wall anchor rod supporting function according to claim 1, wherein the walking part is a crawler-type walking mechanism and is divided into a left part and a right part, and each part is arranged on two sides of the body part through a flat key and a bolt; each part comprises a traveling motor, a track beam, a track, a tensioning mechanism and a speed reducer, wherein the track is arranged on the track beam and the tightness degree of the track is adjusted through the tensioning mechanism, the traveling motor is arranged at the rear end of the track beam and is connected with the speed reducer, and the speed reducer is driven to drive the track to move so as to realize forward and backward movement of the drill; the walking motor is a double-speed hydraulic motor capable of switching between high speed and low speed.
3. The six-arm rock bolt drill carriage with the function of supporting a top wall anchor bolt according to claim 1 or 2, wherein the top rock bolt drill arm part comprises a top rock bolt executing mechanism, a shifting mechanism and a temporary supporting mechanism, wherein the top rock bolt executing mechanism comprises 4 top rock bolt drill arms;
The roof bolt executing mechanism further comprises operation tables respectively and correspondingly arranged on each roof bolt drill arm, and the roof bolt drill arms have an automatic propulsion function and can be used for simultaneously operating 2 roof bolt drill arms by one person;
The displacement mechanism comprises a fixed box body and a sliding box body, wherein the fixed box body is provided with 2 middle top anchor rod drilling arms, and the fixed box body is provided with a first oil cylinder which can drive the 2 middle top anchor rod drilling arms to swing back and forth and left and right; the sliding box body is provided with 2 roof bolt drilling arms at two sides, and a second oil cylinder is arranged on the sliding box body and can drive the roof bolt drilling arms at two sides to slide to two sides and swing back and forth and left and right;
The temporary supporting mechanism is arranged on the fixed box body and comprises 2 sets of ground supporting oil cylinders and 2 sets of top supporting oil cylinders which are symmetrically arranged.
4. The six-arm anchor rod drill carriage with the roof side anchor rod supporting function according to claim 1, wherein the projection distance of the roof anchor rod drill carriage and the side anchor rod drill carriage on the roadway side is 2 times of the anchor rod row distance, and the roof anchor rod drill carriage and the side anchor rod drill carriage can operate simultaneously.
5. The six-arm anchor rod drill carriage with the top wall anchor rod supporting function according to claim 1, further comprising a dust removal system, wherein the dust removal system is a dry dust removal system and a wet dust removal system, the top anchor rod drill boom adopts a negative pressure fan type dry dust removal system, and the top anchor rod drill boom adopts a wet dust removal system.
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| CN202410252597.2A CN117846493B (en) | 2024-03-06 | 2024-03-06 | Six-arm anchor rod drill carriage with top wall anchor rod supporting function |
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| CN202410252597.2A CN117846493B (en) | 2024-03-06 | 2024-03-06 | Six-arm anchor rod drill carriage with top wall anchor rod supporting function |
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| Publication number | Publication date |
|---|---|
| CN117846493A (en) | 2024-04-09 |
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