阅读说明：本技术 一种煤矿用多功能退锚钻车 (Multifunctional anchor withdrawing drill carriage for coal mine ) 是由 赵伟 岳中文 赵旭锋 崔奇峰 肖红叶 于 2021-01-19 设计创作，主要内容包括：本发明属于煤矿井下开拓设备技术领域,具体涉及一种煤矿用多功能退锚钻车。本发明的技术方案包括机体部、钻臂部、护板操纵部、机载锚杆钻机、电气系统、液压系统、取芯钻装置；所述机体部安装在护板部下方,为整个机组提供支撑；所述钻臂部共两组,分别安装在机体部的前部和后部,可进行独立升降和伸缩；护板操纵部安装在机体部上方；机载锚杆钻机安装在钻臂部的前端；电气系统安装在机体部的左前侧；液压系统安装在机体部的右后部；所述取芯钻装置与机载锚杆钻机的钻孔机构连接。本发明在煤矿井下回采工作时,有效解决了传统回收锚杆作业导致的劳动强度大、工作效率低、施工不安全的问题。(The invention belongs to the technical field of underground coal mine exploitation equipment, and particularly relates to a multifunctional anchor withdrawing drill carriage for a coal mine. The technical scheme of the invention comprises a machine body part, a drill arm part, a guard plate operating part, an airborne jumbolter, an electrical system, a hydraulic system and a core drill device; the machine body part is arranged below the guard plate part and provides support for the whole machine set; the drill arm parts are arranged at the front part and the rear part of the machine body part respectively and can be lifted and retracted independently; the guard plate operating part is arranged above the machine body part; the airborne jumbolter is arranged at the front end of the drill arm part; the electrical system is arranged on the left front side of the machine body part; the hydraulic system is arranged at the right rear part of the machine body part; the core drill device is connected with a drilling mechanism of the airborne anchor rod drilling machine. When the underground coal mine recovery device is used for underground coal mine recovery, the problems of high labor intensity, low working efficiency and unsafe construction caused by traditional anchor rod recovery operation are effectively solved.)

1. The utility model provides a multi-functional anchor drill carriage that moves back for coal mine which characterized by: the core drill comprises a machine body part (1), a drill boom part (2), a guard plate handling part (3), an onboard jumbolter (4), an electrical system (5), a hydraulic system (6) and a core drill device (7); the machine body part (1) is arranged below the plate protecting part (3) and provides support for the whole machine set; the two groups of drill arm parts (2) are respectively arranged at the front part and the rear part of the machine body part (1) and can independently lift and stretch; the guard plate operating part (3) is arranged above the machine body part (1); the airborne jumbolter (4) is arranged at the front end of the drill arm part (2); the electrical system (5) is arranged on the left front side of the machine body part (1); the hydraulic system (6) is arranged at the right rear part of the machine body part (1); the core drill device (7) is connected with a drilling mechanism of the airborne anchor rod drilling machine (4).

2. The multifunctional anchor withdrawing drill carriage for the coal mine as claimed in claim 1, which is characterized in that: the machine body part (1) consists of a walking assembly (1-1), a front connecting beam (1-2), a platform (1-3), a top support (1-4), a vacuum electromagnetic starter (1-5) and a rear connecting beam (1-6); the walking assemblies (1-1) share one pair and are respectively arranged on two sides of the front connecting beam (1-2) and the rear connecting beam (1-6); the platforms (1-3) are arranged at the upper parts of the front connecting beam (1-2) and the rear connecting beam (1-6), and the top supports (1-4) are arranged on the upper surfaces of the platforms (1-3); the vacuum electromagnetic starter (1-5) is arranged on the left front side of the upper surface of the platform (1-3) to facilitate the start and stop of the electrical system (5);

wherein the top support (1-4) consists of an outer lifting oil cylinder (1-4-1), an inner lifting oil cylinder (1-4-2), a connecting seat (1-4-3), a support inner sleeve (1-4-4), a support middle sleeve (1-4-5), a support outer sleeve (1-4-6) and a support top plate (1-4-7); the supporting outer sleeves (1-4-6) are arranged on the platforms (1-3); the cylinder body of the outer lifting oil cylinder (1-4-1) is hinged with a connecting lug at the bottom of the supporting outer sleeve (1-4-6), and a telescopic rod of the outer lifting oil cylinder (1-4-1) is hinged with a connecting lug at the upper end of the supporting middle sleeve (1-4-5); the cylinder body of the inner lifting oil cylinder (1-4-2) is hinged with the supporting inner sleeve (1-4-4), and the telescopic rod of the inner lifting oil cylinder is hinged with the supporting middle sleeve (1-4-5); the outer lifting oil cylinder (1-4-1) stretches and retracts to drive the support middle sleeve (1-4-5) to move in the vertical direction by taking the support outer sleeve (1-4-6) as a guide; the inner lifting oil cylinder (1-4-2) stretches and retracts to drive the supporting inner sleeve (1-4-4) to move in the vertical direction by taking the supporting middle sleeve (1-4-5) as a guide; the telescopic rods of the outer lifting oil cylinder (1-4-1) and the inner lifting oil cylinder (1-4-2) extend out to drive the supporting top plate (1-4-7) to extend out upwards to press the roadway top plate; one end of the connecting seat (1-4-3) is hinged with the supporting inner sleeve (1-4-4), and the other end is hinged with the supporting top plate (1-4-7).

3. The multifunctional anchor withdrawing drill carriage for the coal mine as claimed in claim 1, which is characterized in that: the drill arm part (2) consists of a translation device (2-1), a plate turnover device (2-2), a sleeve lifting device (2-3), a transmission device (2-4) and a drilling machine lifting device (2-5); the translation device (2-1) is fixed on the platform (1-3) and drives the drill arm part (2) to do translation motion in the horizontal direction; the sleeve lifting device (2-3) is arranged on the upper surface of the translation device (2-1), and the plate turnover device (2-2) is arranged on the side surface of the sleeve lifting device (2-3); the transmission device (2-4) is connected with an outer arm of a lifting outer sleeve (2-3-4) in the sleeve lifting device (2-3) and is lifted along with the lifting of the sleeve lifting device (2-3); the drilling machine lifting device (2-5) is connected with the transmission device (2-4), and the transmission device (2-4) can drive the drilling machine lifting device (2-5) to do vertical lifting movement.

4. The multifunctional anchor withdrawing drill carriage for the coal mine as claimed in claim 3, which is characterized in that: the translation device (2-1) consists of a sliding fixed seat (2-1-1), a sliding oil cylinder (2-1-2), a sliding seat (2-1-3), a sliding guide seat (2-1-4) and a wear-resistant strip (2-1-5); the sliding fixed seat (2-1-1) and the sliding guide seat (2-1-4) are fixed on the upper surface of the platform (1-3); the upper surface, the side surface and the bottom surface of the sliding seat (2-1-3) are provided with fixed grooves of wear-resistant strips (2-1-5), the wear-resistant strips (2-1-5) are fixed in the grooves, and the surface of the sliding seat (2-1-3) which leaks outwards is 3mm and is in contact with the sliding rail surface of the sliding guide seat (2-1-4); the cylinder body of the sliding oil cylinder (2-1-2) is hinged with the connecting lug of the sliding fixed seat (2-1-1), the telescopic rod of the sliding oil cylinder is hinged with the sliding seat (2-1-3), and the sliding oil cylinder (2-1-2) can drive the sliding seat (2-1-3) to reciprocate back and forth through stretching.

5. The multifunctional anchor withdrawing drill carriage for the coal mine as claimed in claim 3, which is characterized in that: the turning plate device (2-2) consists of a turning plate fixing seat (2-2-1), a turning plate I (2-2-2), a turning plate II (2-2-3) and a turning plate III (2-2-4); the turning plate fixing seat (2-2-1) is fixed on the sleeve lifting device (2-3); the turning plate I (2-2-2), the turning plate II (2-2-3) and the turning plate III (2-2-4) are hinged with the turning plate fixing seat (2-2-1).

6. The multifunctional anchor withdrawing drill carriage for the coal mine as claimed in claim 3, which is characterized in that: the sleeve lifting device (2-3) consists of a valve group shield (2-3-1), a square barrel cover plate (2-3-2), an eight-unit proportional valve group (2-3-3), a lifting outer sleeve (2-3-4), a lifting middle sleeve (2-3-5), a sleeve seat (2-3-6) and a lifting oil cylinder (2-3-7); the lifting oil cylinder (2-3-7) is of a two-stage propulsion structure, a cylinder body of the lifting oil cylinder is connected with a square tube cover plate (2-3-2), a telescopic rod end of the lifting oil cylinder is fixed on the upper surface of a sliding seat (2-1-3), one end of a sleeve seat (2-3-6) is fixed on the upper surface of the sliding seat (2-1-3), and the other end of the sleeve seat is nested in a lifting middle sleeve (2-3-5); the square cylinder cover plate (2-3-2) is fixed at the top end of the lifting outer sleeve (2-3-4), the eight-connected proportional valve group (2-3-3) is fixed below the top plate (2-3-4), and the valve group shield (2-3-1) is fixed above the square cylinder cover plate (2-3-2) to protect the valve group; the telescopic rod of the lifting oil cylinder (2-3-7) stretches and retracts to drive the square barrel cover plate (2-3-2) and the lifting outer barrel (2-3-4) to move in the vertical direction by taking the lifting middle barrel (2-3-5) and the barrel seat (2-3-6) as guides, so that the transmission device (2-4) and the drilling machine lifting device (2-5) are driven to integrally lift, and the airborne anchor drilling machine (4) arranged on the lifting oil cylinder meets the requirement of rapid positioning of side wall drilling construction operation of roadways in different height ranges.

7. The multifunctional anchor withdrawing drill carriage for the coal mine as claimed in claim 3, which is characterized in that: the transmission device (2-4) consists of a slide rail (2-4-1), a bidirectional oil cylinder (2-4-2), an outer chain clamp (2-4-3), an inner chain clamp (2-4-4) and a chain (2-4-5) which form a chain (2-4-5); the sliding rail (2-4-1) is connected with the lifting outer sleeve (2-3-4) through bolts, the end part of a telescopic rod of the bidirectional oil cylinder (2-4-2) is fixed at two ends of the sliding rail (2-4-1), one end of the inner chain clamp (2-4-4) is fixed with the sliding rail (2-4-1), the other end of the inner chain clamp is hinged with the chain (2-4-5), one end of the outer chain clamp (2-4-3) is hinged with the chain (2-4-5), and the other end of the outer chain clamp is fixed with the lifting device (2-5) of the drilling machine; the chain stroke amplifying mechanism consists of the bidirectional oil cylinder (2-4-2), the outer chain clamp (2-4-3), the inner chain clamp (2-4-4) and the chain (2-4-5).

8. The multifunctional anchor withdrawing drill carriage for the coal mine as claimed in claim 3, which is characterized in that: the drilling machine lifting device (2-5) consists of a lifting seat (2-5-1), a rotary oil cylinder (2-5-2), a rotary seat (2-5-3) and a rotary seat shaft (2-5-4); the cylinder body of the rotary oil cylinder (2-5-2) is hinged with a connecting lug at the upper end of the lifting seat (2-5-1), and a telescopic rod of the rotary oil cylinder is hinged with an ear plate of the rotary seat (2-5-3); one end of the rotary seat shaft (2-5-4) penetrates through the mounting hole of the lifting seat (2-5-1), the other end of the rotary seat shaft penetrates through the mounting hole of the rotary seat (2-5-3), the lifting seat (2-5-1) and the rotary seat (2-5-3) are hinged together, and the rotary seat (2-5-3) rotates around the rotary seat shaft (2-5-4) under the driving of the telescopic rotary oil cylinder (2-5-2); the rotary base (2-5-3) is connected with the airborne jumbolter (4), and the airborne jumbolter (4) rotates along with the rotation of the rotary base (2-5-3).

9. The multifunctional anchor withdrawing drill carriage for the coal mine as claimed in claim 1, which is characterized in that: the guard plate operation part (3) consists of a switch shield (3-1), a pump station shield (3-2), a slide rail shield (3-3), an oil tank shield (3-4) and an operation part (3-5); the switch shield (3-1) is arranged in front of the left side of the platform (1-3), and the side surface and the top surface of the switch shield are respectively provided with a door plate and a cover plate; the pump station shield (3-2) is arranged in the middle of the platform (1-3), and a door plate is designed on the side surface of the pump station shield; the sliding rail protective cover (3-3) is arranged above the translation device (2-1), and the oil tank protective cover (3-4) is arranged above an oil tank of the hydraulic system (6); the operating part (3-5) is arranged in the right middle part of the platform (1-3);

the switch shield (3-1), the pump station shield (3-2), the sliding rail shield (3-3) and the oil tank shield (3-4) are all provided with oblong heat dissipation holes.

10. The multifunctional anchor withdrawing drill carriage for the coal mine as claimed in claim 1, which is characterized in that: the core drill device (7) consists of a reducing flange (7-1), a universal coupling (7-2) and a core drill body (7-3); one end of the reducing flange (7-1) is connected with a drilling mechanism of the airborne anchor rod drilling machine (4), the other end of the reducing flange is hinged with the universal coupling (7-2), one end of the coring drill body (7-3) is hinged with the universal coupling (7-2), and the other end of the coring drill body is in contact with a coal wall.

Technical Field

The invention belongs to the technical field of underground coal mine exploitation equipment, and particularly relates to a multifunctional anchor withdrawing drill carriage for a coal mine.

Background

In the technical field of underground coal mine expansion equipment, a spiral anchor rod is generally adopted as a reinforcing material in a mine roadway support technology, and in the process of extracting a coal face by a coal mining machine, due to the existence of two sides of the left anchor rod regions, the coal mining machine is easily caused to roll the spiral anchor rod into a roller to damage cutting teeth, and meanwhile, the spiral anchor rod collides with a coal cutting tool to possibly generate sparks, and gas explosion accidents are easily caused if the spiral anchor rod meets gas in a certain concentration range. In addition, the spiral anchor rod is easy to enter a transportation system along with coal flow, so that transportation machinery is easy to break down, and even a belt of a conveyor is torn. When spiral anchor rods are mixed in coal flows, the traditional treatment method generally adopts a mode of stopping a conveyor to run and manually taking out the anchor rods, a large amount of manpower and time are needed to be spent in the mode, the production of a working face is seriously influenced, and the mining efficiency of a coal mining machine is greatly limited.

Disclosure of Invention

The invention aims to provide a multifunctional anchor withdrawing drill carriage for a coal mine, which effectively solves the problems of high labor intensity, low working efficiency and unsafe construction caused by the traditional anchor rod recovering operation during the underground coal mine recovery operation.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a multifunctional anchor withdrawing drill carriage for coal mines comprises a machine body part, a drill arm part, a guard plate operating part, an onboard jumbolter, an electrical system, a hydraulic system and a core drill device; the machine body part is arranged below the guard plate part and provides support for the whole machine set; the drill arm parts are arranged at the front part and the rear part of the machine body part respectively and can be lifted and retracted independently; the guard plate operating part is arranged above the machine body part; the airborne jumbolter is arranged at the front end of the drill arm part; the electrical system is arranged on the left front side of the machine body part; the hydraulic system is arranged at the right rear part of the machine body part; the core drill device is connected with a drilling mechanism of the airborne anchor rod drilling machine.

The machine body part consists of a walking assembly, a front connecting beam, a platform, a top support, a vacuum electromagnetic starter and a rear connecting beam; the walking assemblies are arranged on two sides of the front connecting beam and the rear connecting beam respectively; the platform is arranged on the upper parts of the front connecting beam and the rear connecting beam, and the top support is arranged on the upper surface of the platform; the vacuum electromagnetic starter is arranged on the left front side of the upper surface of the platform, so that the starting and stopping of an electrical system are facilitated;

the top support consists of an outer lifting oil cylinder, an inner lifting oil cylinder, a connecting seat, a support inner sleeve, a support middle sleeve, a support outer sleeve and a support top plate; the supporting outer sleeve is arranged on the platform; the cylinder body of the outer lifting oil cylinder is hinged with a connecting lug at the bottom of the supporting outer sleeve, and a telescopic rod of the outer lifting oil cylinder is hinged with a connecting lug at the upper end of the supporting middle sleeve; the cylinder body of the inner lifting oil cylinder is hinged with the support inner sleeve, and the telescopic rod of the inner lifting oil cylinder is hinged with the support middle sleeve; the outer lifting oil cylinder stretches and retracts to drive the support middle sleeve to move in the vertical direction by taking the support outer sleeve as a guide; the inner lifting oil cylinder stretches and retracts to drive the support inner sleeve to move in the vertical direction by taking the support middle sleeve as a guide; the telescopic rods of the outer lifting oil cylinder and the inner lifting oil cylinder extend out to drive the supporting top plate to extend upwards to press the roadway top plate; one end of the connecting seat is hinged with the supporting inner sleeve, and the other end of the connecting seat is hinged with the supporting top plate.

The drill arm part consists of a translation device, a plate turnover device, a sleeve lifting device, a transmission device and a drilling machine lifting device; the translation device is fixed on the platform and drives the drill arm part to do translation motion in the horizontal direction; the sleeve lifting device is arranged on the upper surface of the translation device, and the plate turnover device is arranged on the side surface of the sleeve lifting device; the transmission device is connected with an outer arm of a lifting outer sleeve in the sleeve lifting device and lifts along with the lifting of the sleeve lifting device; the drilling machine lifting device is connected with the transmission device, and the transmission device can drive the drilling machine lifting device to do vertical lifting movement.

The translation device consists of a sliding fixed seat, a sliding oil cylinder, a sliding seat, a sliding guide seat and a wear-resistant strip; the sliding fixed seat and the sliding guide seat are fixed on the upper surface of the platform; the upper surface, the side surface and the bottom surface of the sliding seat are provided with fixed grooves of wear-resistant strips, the wear-resistant strips are fixed in the grooves, leak out of the surface of the sliding seat and contact with the sliding guide seat sliding rail surface; the cylinder body of the sliding oil cylinder is hinged with the connecting lug of the sliding fixing seat, the telescopic rod of the sliding oil cylinder is hinged with the sliding seat, and the sliding oil cylinder can drive the sliding seat to reciprocate back and forth through stretching.

The turning plate device consists of a turning plate fixing seat, a turning plate I, a turning plate II and a turning plate III; the turning plate fixing seat is fixed on the sleeve lifting device; the turning plate I, the turning plate II and the turning plate III are hinged with the turning plate fixing seat.

The sleeve lifting device consists of a valve group shield, a square cylinder cover plate, an eight-unit proportional valve group, a lifting outer sleeve, a lifting middle sleeve, a sleeve seat and a lifting oil cylinder; the lifting oil cylinder is of a two-stage propelling structure, a cylinder body of the lifting oil cylinder is connected with a square tube cover plate, a telescopic rod end of the lifting oil cylinder is fixed on the upper surface of a sliding seat, one end of a sleeve seat is fixed on the upper surface of the sliding seat, and the other end of the sleeve seat is nested in a lifting middle sleeve; the square cylinder cover plate is fixed at the top end of the lifting outer sleeve, the eight-connected proportional valve group is fixed below the top plate, and the valve group shield is fixed above the square cylinder cover plate to protect the valve group; the telescopic rod of the lifting oil cylinder drives the square barrel cover plate and the lifting outer barrel to sequentially use the lifting middle barrel and the lifting outer barrel as guide parts, the square barrel cover plate and the lifting outer barrel move in the vertical direction, the transmission device and the drilling machine lifting device are driven to integrally lift, and the onboard anchor rod drilling machine mounted on the lifting oil cylinder meets the requirement of rapid positioning of side wall drilling construction operation of different height ranges of a roadway.

The transmission device consists of a slide rail, a bidirectional oil cylinder, an outer chain clamp, an inner chain clamp and a chain; the two-way oil cylinder is characterized in that the slide rail is connected with the lifting outer sleeve through bolts, the end part of a telescopic rod of the two-way oil cylinder is fixed at two ends of the slide rail, one end of the inner chain clamp is fixed with the slide rail, the other end of the inner chain clamp is hinged with the chain, one end of the outer chain clamp is hinged with the chain, and the other end of the outer chain clamp is fixed with the; the bidirectional oil cylinder, the outer chain clamp, the inner chain clamp and the chain form a chain stroke amplifying mechanism.

The drilling machine lifting device consists of a lifting seat, a rotary oil cylinder, a rotary seat and a rotary seat shaft; the cylinder body of the rotary oil cylinder is hinged with a connecting lug at the upper end of the lifting seat, and a telescopic rod of the rotary oil cylinder is hinged with an ear plate of the rotary seat; one end of the rotary seat shaft penetrates through the mounting hole of the lifting seat, the other end of the rotary seat shaft penetrates through the mounting hole of the rotary seat, the lifting seat and the rotary seat are hinged together, and the rotary seat is driven by the telescopic rotary oil cylinder to rotate around the rotary seat shaft; the rotary base is connected with the airborne jumbolter, and the airborne jumbolter rotates along with the rotation of the rotary base.

The guard plate operation part consists of a switch shield, a pump station shield, a slide rail shield, an oil tank shield and an operation part; the switch protective cover is arranged in the left front of the platform, and the side surface and the top surface of the switch protective cover are respectively provided with a door plate and a cover plate; the pump station protective cover is arranged in the middle of the platform, and a door plate is designed on the side surface of the pump station protective cover; the sliding rail protective cover is arranged above the translation device, and the oil tank protective cover is arranged above an oil tank of the hydraulic system; the operating part is arranged in the right middle of the platform;

and the shell of the switch shield, the pump station shield, the slide rail shield and the oil tank shield is provided with oblong heat dissipation holes.

The core drill device consists of a reducing flange, a universal coupling and a core drill body; reducing flange one end links to each other with machine-carried roofbolter's drilling mechanism, and the other end is articulated with universal joint, it is articulated with universal joint to get core drill body one end, and the other end and coal wall contact.

The multifunctional anchor withdrawing drill carriage for the coal mine is suitable for the underground coal mine stope face by adopting the technical scheme, and integrates multiple functions of anchor withdrawing, drilling, walking and the like. The invention utilizes the sleeve type drill taking mode of the core drill device to quickly realize core taking and anchor withdrawing operation along the track of the anchor rod, and can additionally beat and construct glass fiber reinforced plastic anchor rods with different positions and angles after the anchor withdrawing is finished. According to the conditions of different heights of a roadway and the like, the front drill boom and the rear drill boom can be constructed and operated independently at the same time, the operation position of the airborne jumbolter is adjusted through integral lifting, rotation and translation of the front drill boom and the rear drill boom, and the positioning is rapid and convenient. The middle part of the drill carriage is provided with a three-stage sleeve type top supporting structure, and the drill carriage can upwards prop against a roadway top plate after being lifted to play a role in stabilizing the machine body, so that the stability of the whole machine is improved. Meanwhile, the whole machine is provided with a large-area foldable operating platform and an operating device synchronously moving with the drill boom, so that the stand operation of operators is facilitated. This drill carriage a tractor serves several purposes, and a tractor serves several purposes has and moves back anchor advantage such as nimble, drilling speed is fast, very big reduction workman's intensity of labour, improved work safety factor, promoted by a wide margin and moved back anchor operating efficiency for the speed of back production.

Compared with the prior art, the invention has the following advantages:

1. the invention adopts a sleeve type drill taking mode to carry out anchor withdrawing operation, effectively ensures the smooth operation of the stoping by taking out the threaded anchor rod in advance on the stoping surface, reduces the probability of machine failure in the production process and reduces casualties;

2. the withdrawn anchor rod can be repeatedly used, so that the mining cost is effectively reduced, and great economic benefits are achieved;

3. the construction operation of the omnibearing roof, the side anchor rod and the anchor cable hole can be carried out by the integral lifting, the expansion and the rotation of the drill boom device and the action of the machine-mounted high-torque hydraulic drilling machine;

4. the two drilling arm devices are mutually independent and flexible to adjust, can simultaneously realize the anchoring of two glass steel anchor rods and the drilling work of two deformed steel anchor rods under the condition of one-time stable turning, and improves the working efficiency;

5. the invention is provided with the foldable operation platform and the operation device which synchronously move with the drill boom, thereby facilitating the safe standing and flexible operation of the operators.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of the structure of the body portion of FIG. 1;

FIG. 4 is a schematic structural view of the top support of FIG. 3;

FIG. 5 is a schematic view of the structure of the drill arm of FIG. 1;

FIG. 6 is a left side view of FIG. 5;

FIG. 7 is a schematic view of the translation device of FIG. 5;

FIG. 8 is a schematic structural view of the plate turnover device in FIG. 5;

FIG. 9 is a schematic view of the sleeve lifter of FIG. 5;

FIG. 10 is a schematic view of the transmission of FIG. 6;

FIG. 11 is a schematic view of the rig hoist arrangement of FIG. 6;

FIG. 12 is a schematic view of the structure of the panel handling section of FIG. 1;

FIG. 13 is a top view of FIG. 12;

fig. 14 is a schematic view of the core drill device of fig. 1.

Detailed Description

As shown in fig. 1 and fig. 2, the multifunctional anchor withdrawing drill carriage for coal mines in the embodiment includes a machine body part 1, a drill boom part 2, a guard plate handling part 3, an onboard jumbolter 4, an electrical system 5, a hydraulic system 6 and a core drill device 7; the machine body part 1 is arranged below the plate protecting part 3 and provides support for the whole machine set; the two groups of drill arm parts 2 are respectively arranged at the front part and the rear part of the machine body part 1 and can independently lift and stretch; the guard board operating part 3 is arranged above the machine body part 1; the airborne jumbolter 4 is arranged at the front end of the drill arm part 2; the electrical system 5 is mounted on the left front side of the body 1; the hydraulic system 6 is arranged at the right rear part of the machine body part 1; the core drill device 7 is connected with a drilling mechanism of the onboard jumbolter 4.

As shown in fig. 3, the machine body part 1 consists of a walking assembly 1-1, a front connecting beam 1-2, a platform 1-3, a top support 1-4, a vacuum electromagnetic starter 1-5 and a rear connecting beam 1-6; the walking assemblies 1-1 share one pair and are respectively arranged on two sides of the front connecting beam 1-2 and the rear connecting beam 1-6, and the walking assemblies 1-1 adopt heavy crawler belts to ensure the walking stability of the whole machine; the platform 1-3 is arranged on the upper parts of the front connecting beam 1-2 and the rear connecting beam 1-6, the thickness of the platform 1-3 is 45mm, the six surfaces are machined surfaces, the contact surfaces of the platform and each part are tightly attached, the bearing capacity is strong, and the platform is not easy to bend and deform; the top support 1-4 is arranged on the upper surface of the platform 1-3; the vacuum electromagnetic starter 1-5 is installed on the left front side of the upper surface of the platform 1-3, and the starting and stopping of the electrical system 5 are facilitated.

As shown in fig. 4, the top support 1-4 consists of an outer lifting oil cylinder 1-4-1, an inner lifting oil cylinder 1-4-2, a connecting seat 1-4-3, a support inner sleeve 1-4-4, a support middle sleeve 1-4-5, a support outer sleeve 1-4-6 and a support top plate 1-4-7; the supporting outer sleeves 1-4-6 are arranged on the platforms 1-3; the cylinder body of the outer lifting oil cylinder 1-4-1 is hinged with a connecting lug at the bottom of the supporting outer sleeve 1-4-6, and the telescopic rod of the outer lifting oil cylinder 1-4-1 is hinged with a connecting lug at the upper end of the supporting middle sleeve 1-4-5; the cylinder body of the inner lifting oil cylinder 1-4-2 is hinged with a supporting inner sleeve 1-4-4, and a telescopic rod of the inner lifting oil cylinder is hinged with a supporting middle sleeve 1-4-5; the outer lifting oil cylinder 1-4-1 stretches and retracts to drive the support middle sleeve 1-4-5 to move in the vertical direction by taking the support outer sleeve 1-4-6 as a guide; the inner lifting oil cylinder 1-4-2 stretches and retracts to drive the supporting inner sleeve 1-4-4 to move in the vertical direction by taking the supporting middle sleeve 1-4-5 as a guide; the telescopic rods of the outer lifting oil cylinder 1-4-1 and the inner lifting oil cylinder 1-4-2 extend out to drive the supporting top plate 1-4-7 to extend out upwards to press the roadway top plate; one end of the connecting seat 1-4-3 is hinged with the supporting inner sleeve 1-4-4, and the other end is hinged with the supporting top plate 1-4-7, so that the supporting top plate 1-4-7 can be adjusted in the front-back direction and the left-right direction within a certain angle, and can be attached to a roadway top plate. The top support 1-4 is driven by the outer lifting oil cylinder 1-4-1 and the inner lifting oil cylinder 1-4-2, the maximum support height which can be realized is 4600 mm, the stability of the whole machine is effectively ensured when the equipment is withdrawn from the anchor and anchored, and the phenomenon of side turning is avoided.

As shown in fig. 5 and 6, the drill arm part 2 consists of a translation device 2-1, a plate turnover device 2-2, a sleeve lifting device 2-3, a transmission device 2-4 and a drill lifting device 2-5; the translation device 2-1 is fixed on the platform 1-3 and drives the drill arm part 2 to do translation motion in the horizontal direction; the sleeve lifting device 2-3 is arranged on the upper surface of the translation device 2-1, and the sleeve lifting device 2-3 is of a three-stage sleeve structure and can extend upwards by a distance of 2180 mm; the plate turnover device 2-2 is arranged on the side surface of the sleeve lifting device 2-3, and provides a reasonable station for an operator; the transmission device 2-4 is connected with an outer arm of a lifting outer sleeve 2-3-4 in the sleeve lifting device 2-3 and is lifted along with the lifting of the sleeve lifting device 2-3; the drilling machine lifting device 2-5 is connected with the transmission device 2-4, and the transmission device 2-4 can drive the drilling machine lifting device 2-5 to do vertical lifting movement.

As shown in fig. 7, the translation device 2-1 consists of a sliding fixed seat 2-1-1, a sliding oil cylinder 2-1-2, a sliding seat 2-1-3, a sliding guide seat 2-1-4 and a wear-resistant strip 2-1-5; the sliding fixed seat 2-1-1 and the sliding guide seat 2-1-4 are fixed on the upper surface of the platform 1-3; the upper surface, the side surface and the bottom surface of the sliding seat 2-1-3 are respectively provided with a fixed groove of a wear-resistant strip 2-1-5, the wear-resistant strip 2-1-5 is fixed in the groove, 3mm of the surface of the sliding seat 2-1-3 is leaked outside, and the sliding seat is in contact with the sliding rail surface of the sliding guide seat 2-1-4 to play a role in wear resistance and lubrication; the cylinder body of the sliding oil cylinder 2-1-2 is hinged with the connecting lug of the sliding fixed seat 2-1-1, the telescopic rod of the sliding oil cylinder is hinged with the sliding seat 2-1-3, the sliding oil cylinder 2-1-2 can drive the sliding seat 2-1-3 to reciprocate back and forth by stretching, and the movement stroke is 600 mm.

As shown in fig. 8, the plate turnover device 2-2 consists of a plate turnover fixing seat 2-2-1, a plate turnover I2-2-2, a plate turnover II 2-2-3 and a plate turnover III 2-2-4; the turning plate fixing seat 2-2-1 is fixed on the sleeve lifting device 2-3; the turning plate I2-2-2, the turning plate II 2-2-3 and the turning plate III 2-2-4 are hinged with the turning plate fixing seat 2-2-1, and the hinged parts are in pin connection, so that the turning plate is convenient to disassemble and replace. When the machine is standby, the turning plate I2-2-2, the turning plate II 2-2-3 and the turning plate III 2-2-4 are folded, and when the machine is operated, the turning plates are in an opened state, so that the standing area of an operator is increased. The turnover plate is of a frame structure formed by welding hollow square steel, the bearing capacity is strong, the standing surface of an operator is paved with and welded with an alligator steel plate, and the anti-skidding effect is obvious.

As shown in fig. 9, the sleeve lifting device 2-3 is composed of a valve group shield 2-3-1, a square cylinder cover plate 2-3-2, an eight-connected proportional valve group 2-3-3, a lifting outer sleeve 2-3-4, a lifting middle sleeve 2-3-5, a sleeve seat 2-3-6 and a lifting oil cylinder 2-3-7; the lifting oil cylinder 2-3-7 is of a two-stage propelling structure, a cylinder body of the lifting oil cylinder is connected with a square cylinder cover plate 2-3-2, a telescopic rod end of the lifting oil cylinder is fixed on the upper surface of a sliding seat 2-1-3, one end of a sleeve seat 2-3-6 is fixed on the upper surface of the sliding seat 2-1-3, and the other end of the sleeve seat is nested in a lifting middle sleeve 2-3-5; the square cylinder cover plate 2-3-2 is fixed at the top end of the lifting outer sleeve 2-3-4, the eight-connected proportional valve group 2-3-3 is fixed below the top plate 2-3-4, and the valve group shield 2-3-1 is fixed above the square cylinder cover plate 2-3-2, so that the valve group is protected; the telescopic rod of the lifting oil cylinder 2-3-7 stretches to drive the square cylinder cover plate 2-3-2 and the lifting outer sleeve 2-3-4 to move in the vertical direction by taking the lifting middle sleeve 2-3-5 and the sleeve seat 2-3-6 as guide in sequence, so as to drive the transmission device 2-4 and the drilling machine lifting device 2-5 to integrally lift, and the onboard anchor drilling machine 4 mounted on the lifting oil cylinder meets the requirement of rapid positioning of side wall drilling construction operation in different height ranges of a roadway. The sleeve lifting device 2-3 adopts a three-stage square cylinder connection mode, the contact surface of the sleeve lifting device is lubricated by a self-lubricating bearing, the fit clearance is small, the movement is accurate, and the stability is good.

As shown in fig. 10, the transmission device 2-4 consists of a slide rail 2-4-1, a bidirectional oil cylinder 2-4-2, an outer chain clamp 2-4-3, an inner chain clamp 2-4-4 and a chain 2-4-5; the sliding rail 2-4-1 is connected with the lifting outer sleeve 2-3-4 through bolts, the end part of a telescopic rod of the bidirectional oil cylinder 2-4-2 is fixed at two ends of the sliding rail 2-4-1, one end of the inner chain clamp 2-4-4 is fixed with the sliding rail 2-4-1, the other end of the inner chain clamp is hinged with the chain 2-4-5, one end of the outer chain clamp 2-4-3 is hinged with the chain 2-4-5, and the other end of the outer chain clamp is fixed with the lifting device 2-5 of the drilling machine; the chain stroke amplifying mechanism is composed of the two-way oil cylinder 2-4-2, the outer chain clamp 2-4-3, the inner chain clamp 2-4-4 and the chain 2-4-5, the stroke of the two-way oil cylinder 2-4-2 is 650mm, and when the cylinder body moves upwards for 650mm, the two-way oil cylinder can drive the drilling machine lifting device 2-5 and the airborne anchor rod drilling machine 4 to move upwards for 1300 mm.

As shown in fig. 11, the drilling machine lifting device 2-5 consists of a lifting seat 2-5-1, a rotary oil cylinder 2-5-2, a rotary seat 2-5-3 and a rotary seat shaft 2-5-4; the cylinder body of the rotary oil cylinder 2-5-2 is hinged with a connecting lug at the upper end of the lifting seat 2-5-1, and a telescopic rod of the rotary oil cylinder is hinged with an ear plate of the rotary seat 2-5-3; one end of the rotary seat shaft 2-5-4 penetrates through the mounting hole of the lifting seat 2-5-1, the other end of the rotary seat shaft penetrates through the mounting hole of the rotary seat 2-5-3, the lifting seat 2-5-1 and the rotary seat 2-5-3 are hinged together, and the rotary seat 2-5-3 rotates around the rotary seat shaft 2-5-4 under the driving of the telescopic rotary oil cylinder 2-5-2; the rotary seat 2-5-3 is connected with an onboard jumbolter 4, and the onboard jumbolter 4 rotates along with the rotation of the rotary seat 2-5-3.

As shown in fig. 12 and 13, the guard plate operation part 3 is composed of a switch shield 3-1, a pump station shield 3-2, a slide rail shield 3-3, a fuel tank shield 3-4 and an operation part 3-5; the switch shield 3-1 is arranged in the left front of the platform 1-3 and used for protecting the electrical system 5, and the side surface and the top surface of the switch shield are respectively provided with a door plate and a cover plate, so that an operator can conveniently observe and overhaul the vacuum electromagnetic starter 1-5; the pump station shield 3-2 is arranged in the middle of the platform 1-3 and used for protecting the hydraulic system 6, and a door plate is designed on the side surface of the pump station shield, so that an operator can conveniently overhaul the hydraulic system 6; the sliding rail shield 3-3 is arranged above the translation device 2-1, so that the safety of a pipeline of the hydraulic system 6 is protected; the oil tank shield 3-4 is arranged above an oil tank of the hydraulic system 6 and used for protecting the upper surface of the oil tank; the operating part 3-5 is arranged in the right middle of the platform 1-3, and the operating part 3-5 is provided with components of an electrical system 5 and a hydraulic system 6, so that a driver can operate the operating part conveniently. The shell of the switch shield 3-1, the pump station shield 3-2, the sliding rail shield 3-3 and the oil tank shield 3-4 are all provided with long round heat dissipation holes, so that the heat dissipation of the whole machine is facilitated, and the electric system 5 and the hydraulic system 6 are ensured to work at normal temperature.

The airborne jumbolter 4 is in a structure with the patent number of 201120262451.4 and the invention name of the airborne large-torque hydraulic drilling machine device. The slideway device is formed by welding steel plates, is formed by heat treatment and mechanical finish machining, has good rigidity, large toughness and high precision, and meets the requirements of underground use. The machine carries jumbolter and impels the cylinder to install in both sides of the slide device, through chain drive, obtains the required propulsion stroke of drilling, and the cylinder is located the slide both sides also easy to overhaul and change moreover. The rotary drill motor is directly connected with the drill rod seat and provides the torque required by drilling under the driving of the hydraulic motor. The drill carriage drilling machine has the propelling stroke of 2.8m, is far longer than the length of an anchor withdrawing drill rod by 2.4m, can complete drilling and anchor withdrawing operation at one time, reduces the time for connecting the drill rod continuously, and effectively improves the working efficiency.

As shown in fig. 14, the core drill device 7 is composed of a reducing flange 7-1, a universal coupling 7-2 and a core drill body 7-3; one end of the reducing flange 7-1 is connected with a drilling mechanism of the airborne jumbolter 4, the other end of the reducing flange is hinged with the universal coupling 7-2, one end of the coring drill body 7-3 is hinged with the universal coupling 7-2, and the other end of the coring drill body is contacted with a coal wall; the coring drill body 7-3 is used for quickly positioning the position of the left spiral anchor rod and performing drilling operation along the track direction of the left spiral anchor rod under the action of a drilling mechanism of the airborne anchor rod drilling machine 4. The universal coupling 7-2 can be changed along with the change of the direction of the coring drill body 7-3, and plays a role in protecting a drilling mechanism of the airborne jumbolter 4.

The working process of the invention is as follows: the drill carriage is moved to a roadway working position, the top support 1-4 extends upwards to stabilize the machine body, the drill arm part 2 is controlled to adjust the position angle to enable the airborne anchor rod drilling machine 4 to be close to the coal wall, the drill bit of the coring drill body 7-3 is sleeved on the threaded anchor rod, the drilling mechanism of the airborne anchor rod drilling machine 4 is started to rotate, the drill bit is slowly pushed by matching with the action adjustment of the universal coupling 7-2, the drill bit is withdrawn after being pushed for 500 plus 800mm of stroke, the coring drill body 7-3 with the length of 2400mm is replaced to continue construction, during the propelling process, proper rotating speed and propelling force are selected according to the actual drilling condition, after the drilling depth is greater than the length of the anchor rod, and (3) retracting the onboard jumbolter 4 until the coring drill body 7-3 completely falls out of the coal seam, stopping retracting, manually unloading the whole set of coring drill body 7-3 from the onboard jumbolter 4, and taking out the thread type anchor rod left in the set of coring drill body.