Rapid drilling equipment for connecting pin shaft of fully-mechanized coal mining hydraulic support of coal mine

Abstract

The invention relates to the technical field of coal mine fully-mechanized mining, in particular to coal mine fully-mechanized mining hydraulic support connecting pin shaft rapid drilling equipment which comprises a supporting structure, a drilling structure and a conveying structure, the interior of a first connecting plate in the supporting structure is hollow to form a hydraulic groove, and the interior of the hydraulic groove is connected with a third hydraulic rod in the drilling structure through a bolt; one side of the third hydraulic rod is connected with a drilling machine through a sliding block, the two sides of the drilling machine are hollow to form conveying grooves, the two sides of each conveying groove are connected with a speed reducer through bolts, and a plug in a conveying structure is inserted and connected into an inserting groove in the speed reducer. And through the design of a first gear, movable connection of a second gear is facilitated, through the design of a water spraying head, cooling water is sprayed out conveniently, and through the design of a sliding block and a third hydraulic rod, the drilling machine can move conveniently.

Description

Technical Field

[0001] The invention relates to the technical field of coal mine comprehensive mining, in particular to coal mine comprehensive mining hydraulic support connecting pin shaft rapid drilling equipment. Background Art

[0002] Introduction Comprehensive mining refers to the method of direct mining using coal mining machines on the comprehensive mining face, which is suitable for areas with thick coal seams and good coal quality. Comprehensive caving refers to the method of using the excavation face on the comprehensive mining face, first excavation and then coal mining, which is suitable for areas with thin coal seams or poor coal quality. In general, the comprehensive mining face is the core area of ​​coal mine production, and its scale and layout directly affect the production efficiency and safety of the coal mine. On the comprehensive mining face, it is necessary to adopt reasonable mining methods, strengthen safety management, and improve production efficiency.

[0003] In this regard, China applied for patent number: CN104088654B The invention discloses a hydraulic support frame adjustment device for installing a cut-eye in a fully mechanized and fully mechanized caving coal mining face, which solves the outstanding problems in unloading, rotating and adjusting the support after entering the cut-eye. The device includes a chassis, a rotary table, a transition table, a transition table guide groove and a hydraulic system. The chassis includes boxes and I-beams on both sides. The I-beams are connected in the middle of the two boxes by bolts. A connecting track is laid on the I-beams. A push seat is installed at the right end of the two boxes. The unloading jack is hinged on the push seat through a Φ50 pin shaft. A push cap is also hinged on the piston rod of the unloading jack. The hydraulic support frame adjustment device for installing a cut-eye in a coal mining face focuses on solving the outstanding problems in unloading, rotating and adjusting the support after entering the cut-eye, and changes the frame adjustment method of the winch in combination with the monomer. Practice has proved that the expected effect is achieved. At present, there is no molding equipment for the hydraulic support frame adjustment device for installing a cut-eye in a coal mining face in a coal mine. The development of this device fills this gap.

[0004] However, when drilling in a coal mine, the complex terrain makes it difficult to carry the drilling machine, and the friction of the drill bit can easily ignite the coal mine and cause losses. In addition, the drill bit also needs to adapt to the height of the mine hole when drilling so that the drilling machine can be more convenient to use.

[0005] Therefore, in order to solve the above problems, a coal mine fully-mechanized hydraulic support connecting pin shaft rapid drilling equipment is proposed. Summary of the invention

[0006] The purpose of the present invention is to provide a coal mine comprehensive mining hydraulic support connecting pin shaft rapid drilling equipment to solve the problems raised in the above background technology that when drilling in a coal mine, the complex terrain makes it easy for the drilling machine to be difficult to carry, and the friction of the drill bit during drilling can easily ignite the coal mine and cause losses, and the drill bit also needs to adapt to the height of the mine cave when drilling so that the drilling machine can be more convenient to use.

[0007] To achieve the above object, the present invention provides the following technical solutions: a support structure, a drilling structure, and a transmission structure. The first connecting plate in the support structure is hollow to form a hydraulic groove. The third hydraulic rod in the drilling structure is bolted inside the hydraulic groove. The drilling machine is connected to one side of the third hydraulic rod by a slider. Both sides of the drilling machine are hollow to form a transmission groove. The reducer is bolted on both sides of the transmission groove. The plug in the transmission structure is inserted into the slot in the reducer.

[0008] Furthermore, the lower end of the first base in the support structure is movably connected to a crawler. The first hydraulic rod is bolted inside the first base. One side of the first hydraulic rod is bolted to the rear end of the connection structure.

[0009] Furthermore, the upper end of the connection structure is connected to the second hydraulic rod by a hinge shaft. The upper end of the second hydraulic rod is movably connected inside the chute. The chute is hollow at the lower end of the first connecting plate. The first connecting plate is hollow to form a hydraulic groove.

[0010] Furthermore, both sides of the upper end of the first connecting plate are connected to a gear belt by a hinge shaft. One side of the first connecting plate is connected to a support plate by a hinge shaft. The lower end of the support plate is connected to one side of the first base by a hinge shaft.

[0011] Furthermore, both sides of the drilling machine in the drilling structure are hollow to form a transmission groove. The reducer is bolted inside the transmission groove. The rear end of the reducer is hollow to form a slot. The front end of the reducer is connected to the first gear by a hinge shaft.

[0012] Furthermore, one side of the drilling machine is connected to the second gear by a hinge shaft. The front end of the drilling machine is connected to the rear end of the drill bit by a hinge shaft. Sprinkler heads are bolted on both sides of the lower end of the drilling machine.

[0013] Furthermore, the lower end of the drilling machine is bolted to a slider. The rear end of the slider is bolted to the third hydraulic rod. The rear end of the drilling machine is bolted to the inner side of the second connecting plate by the first connecting rod and the second connecting rod. The rear end of the second connecting plate is connected to the third gear by a hinge shaft. Both sides of the lower end of the drilling machine are hollow to form connection ports.

[0014] Furthermore, a bearing is bolted to the outer side of the middle of the transmission rod in the transmission structure. The third connecting rod is movably connected to the outer side of the bearing. One side of the third connecting rod is bolted to the first telescopic rod. The outer side of the third connecting rod is bolted inside the transmission groove. One side of the transmission rod is bolted to the plug.

[0015] As a further improvement of this solution, the rear end of the transmission rod is bolted to the second telescopic rod. The rear end of the second telescopic rod is movably connected in the rotation groove. The rear end of the rotation groove is bolted to the second base. The rear end of the second base is bolted to the electric telescopic rod. The rear end of the electric telescopic rod is bolted to the inner side of the third connecting plate.

[0016] As a further improvement of this solution, one side of the third connecting plate is bolted to the motor. The inner side of the motor is connected to the rear end of the second telescopic rod by a coupling. The inner side of the motor is movably connected to a belt. The inner side of the belt is movably connected to a rotating disc.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0018] 1. By providing the first base, crawler, first hydraulic rod, connection structure, second hydraulic rod, chute, first connecting plate, hydraulic groove, gear belt and support plate, through the design of the crawler, it is convenient for the support structure to move. Through the design of the first hydraulic rod, it is convenient to drive the lower end of the second hydraulic rod to move. Through the design of the connection structure, it is convenient to connect the first hydraulic rod and the second hydraulic rod. Through the design of the chute, it is convenient to movably connect with the upper end of the second hydraulic rod. Through the design of the first connecting plate, it is convenient to movably connect with the drilling structure. Through the design of the gear belt, it is convenient to connect with the third gear.

[0019] 2. By providing the drilling machine, transmission groove, reducer, slot, first gear, second gear, drill bit, water spray head, slider, third hydraulic rod, first connecting rod, second connecting rod, second connecting plate, third gear and connection port, through the design of the transmission groove, it is convenient to transmit cooling water. Through the design of the slot, it is convenient to insert and connect with the plug. Through the design of the first gear, it is convenient to connect with the second gear movably. Through the design of the water spray head, it is convenient to spray cooling water. Through the design of the slider and the third hydraulic rod, it is convenient for the drilling machine to move. Through the design of the first connecting rod and the second connecting rod, it is convenient to connect the third gear. Through the design of the connection port, it is convenient to connect with the pipeline for transmitting cooling water.

[0020] 3. By providing the transmission rod, bearing, first telescopic rod, third connecting rod, plug, second telescopic rod, rotation groove, second base, electric telescopic rod, third connecting plate, motor, belt and rotating disc, through the design of the bearing, it is convenient to movably connect on the outer side of the transmission rod. Through the design of the first telescopic rod, it is convenient to connect with the third connecting rod. Through the design of the bearing, it is convenient for the transmission rod to move. Through the design of the second telescopic rod, it is convenient to movably connect in the rotation groove. Through the design of the rotation groove, it is convenient to movably connect with the second telescopic rod. Through the design of the motor, it is convenient to movably connect with the second telescopic rod. Description of the Drawings

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0022] Figure 1 Front orthographic perspective schematic diagram of the overall structure of the present invention;

[0023] Figure 2 Partial structural sectional perspective schematic diagram of the present invention;

[0024] Figure 3 Partial structural sectional bottom perspective schematic diagram of the present invention;

[0025] Figure 4 Structural perspective schematic diagram of the drilling structure of the present invention;

[0026] Figure 5 Structural sectional perspective schematic diagram of the drilling structure of the present invention;

[0027] Figure 6 Structural perspective schematic diagram of the drilling structure of the present invention;

[0028] Figure 7 Structural bottom perspective schematic diagram of the drilling structure of the present invention;

[0029] Figure 8 Structural perspective schematic diagram of the transmission structure of the present invention;

[0030] Figure 9 Partial structural perspective schematic diagram of the transmission structure of the present invention;

[0031] Figure 10 Partial structural perspective schematic diagram of the drilling structure of the present invention.

[0032] In the figure: 1. Support structure; 101. First base; 102. Crawler; 103. First hydraulic rod; 104. Connection structure; 105. Second hydraulic rod; 106. Chute; 107. First connecting plate; 108. Hydraulic groove; 109. Gear belt; 110. Support plate; 2. Drilling structure; 201. Drilling machine; 202. Transmission groove; 203. Reducer; 204. Slot; 205. First gear; 206. Second gear; 207. Drill bit; 208. Sprinkler head; 209. Slide block; 210. Third hydraulic rod; 211. First connecting rod; 212. Second connecting rod; 213. Second connecting plate; 214. Third gear; 215. Connection port; 3. Transmission structure; 301. Transmission rod; 302. Bearing; 303. First telescopic rod; 304. Third connecting rod; 305. Plug; 306. Second telescopic rod; 3061. Rotation groove; 307. Second base; 308. Electric telescopic rod; 309. Third connecting plate; 310. Motor; 311. Belt; 312. Rotating disk. Detailed implementation mode

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0034] Please refer to Figures 1 - 10 , an embodiment provided by the present invention:

[0035] More specifically in this embodiment, a rapid drilling device for the connecting pin of a fully-mechanized coal mining hydraulic support includes: a support structure 1, a drilling structure 2, and a transmission structure 3. The inside of the first connecting plate 107 in the support structure 1 is hollowed out to form a hydraulic groove 108. The third hydraulic rod 210 in the drilling structure 2 is connected inside the hydraulic groove 108 by bolts. One side of the third hydraulic rod 210 is connected to the drilling machine 201 by a slide block 209. The two sides of the drilling machine 201 are hollowed out to form a transmission groove 202. The two sides of the transmission groove 202 are connected to the reducer 203 by bolts. The plug 305 in the transmission structure 3 is inserted into the slot 204 in the reducer 203.

[0036] Preferably, the lower end of the first base 101 in the support structure 1 is movably connected to the crawler 102. The first hydraulic rod 103 is connected inside the first base 101 by bolts. One side of the first hydraulic rod 103 is connected to the rear end of the connection structure 104 by bolts. The crawler 102 can drive the first base 101 to move, and the first hydraulic rod 103 can drive the lower end of the second hydraulic rod 105 to move.

[0037] Preferably, the upper end of the connecting structure 104 is connected to the second hydraulic rod 105 by a hinge shaft. The upper end of the second hydraulic rod 105 is movably connected inside the chute 106. The chute 106 is hollow at the lower end of the first connecting plate 107. The inside of the first connecting plate 107 is hollow to form a hydraulic groove 108. The connecting structure 104 is used to connect the first hydraulic rod 103 and the second hydraulic rod 105. The chute 106 is used to enable the upper end of the second hydraulic rod 105 to be movably connected. The first connecting plate 107 is used to be movably connected to the drilling structure 2.

[0038] Preferably, both sides of the upper end of the first connecting plate 107 are connected to the gear belt 109 by hinge shafts. One side of the first connecting plate 107 is connected to the support plate 110 by a hinge shaft. The lower end of the support plate 110 is connected to one side of the first base 101 by a hinge shaft. The gear belt 109 is used to be movably connected to the third gear 214.

[0039] Preferably, both sides of the drilling machine 201 in the drilling structure 2 are hollow to form a transmission groove 202. A speed reducer 203 is connected inside the transmission groove 202 by bolts. The rear end of the speed reducer 203 is hollow to form a socket 204. The front end of the speed reducer 203 is connected to the first gear 205 by a hinge shaft. The transmission groove 202 is used to transmit cooling water. The socket 204 is used to insert the connection plug 305. The first gear 205 is used to be movably connected to the second gear 206.

[0040] Preferably, one side of the drilling machine 201 is connected to the second gear 206 by a hinge shaft. The front end of the drilling machine 201 is connected to the rear end of the drill bit 207 by a hinge shaft. Both sides of the lower end of the drilling machine 201 are connected to the water spray head 208 by bolts. The drill bit 207 is used to drill the coal mine. The water spray head 208 is used to spray cooling water.

[0041] Preferably, the lower end of the drilling machine 201 is connected to the slider 209 by bolts. The rear end of the slider 209 is connected to the third hydraulic rod 210 by bolts. The rear end of the drilling machine 201 is connected to the inner side of the second connecting plate 213 by the first connecting rod 211 and the second connecting rod 212 by bolts. The rear end of the second connecting plate 213 is connected to the third gear 214 by a hinge shaft. Both sides of the lower end of the drilling machine 201 are hollow to form a connection port 215. The slider 209 and the third hydraulic rod 210 are used to be movably connected in the hydraulic groove 108 so that the drilling machine 201 can move. The third hydraulic rod 210 is used to drive the drilling machine 201 to move. The first connecting rod 211 and the second connecting rod 212 are used to connect the third gear 214. The connection port 215 is used to connect to the pipeline for transmitting cooling water.

[0042] Preferably, a bearing 302 is bolted to the outer side of the middle of the transmission rod 301 in the transmission structure 3. The outer side of the bearing 302 is movably connected to a third connecting rod 304. One side of the third connecting rod 304 is bolted to a first telescopic rod 303. The outer side of the third connecting rod 304 is bolted inside the transmission groove 202. One side of the transmission rod 301 is bolted to a plug 305. The bearing 302 is used to movably connect to the outer side of the transmission rod 301. The first telescopic rod 303 is used to connect to the third connecting rod 304. The third connecting rod 304 is movably connected to the outer side of the bearing 302 to enable the transmission rod 301 connected to the inner side of the bearing 302 to move.

[0043] Preferably, a second telescopic rod 306 is bolted to the rear end of the transmission rod 301. The rear end of the second telescopic rod 306 is movably connected in a rotating groove 3061. The rear end of the rotating groove 3061 is bolted to a second base 307. The rear end of the second base 307 is bolted to an electric telescopic rod 308. The rear end of the electric telescopic rod 308 is bolted to the inner side of a third connecting plate 309. The second telescopic rod 306 is used to movably connect in the rotating groove 3061. The rotating groove 3061 is used to movably connect to the second telescopic rod 306. The electric telescopic rod 308 bolted to one side of the second base 307 is used to drive the transmission rod 301 to move.

[0044] Preferably, a motor 310 is bolted to one side of the third connecting plate 309. The inner side of the motor 310 is connected to the rear end of the second telescopic rod 306 by a coupling. The inner side of the motor 310 is movably connected to a belt 311. The inner side of the belt 311 is movably connected to a rotating disc 312. The motor 310 is used to movably connect to the second telescopic rod 306.

[0045] Working principle: During operation, first start the second hydraulic rod 105 to support the first connecting plate 107, so that the drilling structure 2 movably connected to the upper end of the first connecting plate 107 is level with the position where drilling is required. Then start the first hydraulic rod 103 to move the lower end of the second hydraulic rod 105. Start the electric telescopic device inside the chute 106 so that the second hydraulic rod 105 can move to an appropriate position to support the first connecting plate 107. When drilling is required, start the third hydraulic rod 210 to move the lower end of the drilling machine 201, so that the drill bit at the front end of the drilling machine 201 abuts against the coal mine where drilling is required. Then start the drill bit 207 to drill the coal mine. When the drill bit 207 is started, start the second gear 206 to rotate, so that the second gear 206 drives the first gear 205 to rotate when rotating. The first gear 205 rotates to drive the slot 204 connected by a hinge shaft to rotate. When the slot 204 rotates, it drives the inserted transmission rod 301 inside to rotate, so that cooling water can enter the transmission groove 202 through the connection port 215 and be sprayed out from the spray head 208. When spraying is not required, start the electric telescopic rod 308 to pull out the plug 305 from the slot 204. It is also possible to start the motor 310 to rotate the second telescopic rod 306 to rotate the transmission rod 301 so that the cooling water can be transmitted to the transmission groove 202 to cool the drilling area. The operation ends here.

[0046] The above is only the preferred embodiment of the present invention, and it is not intended to limit the present invention in any form; any ordinary technician in the industry can smoothly implement the present invention according to the illustrations in the specification and the above description; however, any minor changes, modifications and equivalent variations made by those skilled in the art within the scope of the technical solution of the present invention by using the above-disclosed technical content are equivalent embodiments of the present invention; at the same time, any equivalent changes, modifications and variations made to the above embodiments based on the essence of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. Coal mine fully mechanized hydraulic support connecting pin shaft rapid drilling equipment, including: A support structure (1), a drilling structure (2) and a transmission structure (3), characterized in that: the first connecting plate (107) in the support structure (1) is hollow inside to form a hydraulic groove (108), the hydraulic groove (108) is connected to the third hydraulic rod (210) in the drilling structure (2) by bolts, one side of the third hydraulic rod (210) is connected to a drilling machine (201) by a slider (209), both sides of the drilling machine (201) are hollow to form transmission grooves (202), both sides of the transmission groove (202) are connected to a reducer (203) by bolts, and a plug (305) in the transmission structure (3) is inserted into a slot (204) in the reducer (203).

2. The coal mine fully mechanized mining hydraulic support connecting pin shaft rapid drilling equipment according to claim 1 is characterized by: The lower end of the first base (101) in the support structure (1) is movably connected to the crawler track (102); the first base (101) is internally connected to the first hydraulic rod (103) by bolts; and one side of the first hydraulic rod (103) is connected to the rear end of the connection structure (104) by bolts.

3. The coal mine fully mechanized mining hydraulic support connecting pin shaft rapid drilling equipment according to claim 2 is characterized by: The upper end of the connection structure (104) is connected to the second hydraulic rod (105) by a hinge shaft, and the upper end of the second hydraulic rod (105) is movably connected inside the slide groove (106). The slide groove (106) is hollow at the lower end of the first connecting plate (107), and the first connecting plate (107) is hollow inside to form a hydraulic groove (108).

4. The coal mine fully mechanized mining hydraulic support connecting pin shaft rapid drilling equipment according to claim 3 is characterized by: Both sides of the upper end of the first connecting plate (107) are connected to the gear belt (109) by hinge shafts, one side of the first connecting plate (107) is connected to the support plate (110) by a hinge shaft, and the lower end of the support plate (110) is connected to one side of the first base (101) by a hinge shaft.

5. The coal mine fully mechanized mining hydraulic support connecting pin shaft rapid drilling equipment according to claim 1 is characterized by: The two sides of the drilling machine (201) in the drilling structure (2) are hollowed out to form a transmission groove (202), the interior of the transmission groove (202) is connected to a reducer (203) by bolts, the rear end of the reducer (203) is hollowed out to form a slot (204), and the front end of the reducer (203) is connected to a first gear (205) by a hinge shaft.

6. The coal mine fully mechanized mining hydraulic support connecting pin shaft rapid drilling equipment according to claim 5 is characterized by: One side of the drilling machine (201) is connected to the second gear (206) by a hinge shaft, the front end of the drilling machine (201) is connected to the rear end of the drill bit (207) by a hinge shaft, and both sides of the lower end of the drilling machine (201) are connected to the water spray head (208) by bolts.

7. The coal mine fully mechanized mining hydraulic support connecting pin shaft rapid drilling equipment according to claim 6 is characterized by: The lower end of the drilling machine (201) is connected to a slider (209) by bolts, and the rear end of the slider (209) is connected to a third hydraulic rod (210) by bolts. The rear end of the drilling machine (201) is connected to the inner side of a second connecting plate (213) by bolts through a first connecting rod (211) and a second connecting rod (212). The rear end of the second connecting plate (213) is connected to a third gear (214) by a hinge shaft. Both sides of the lower end of the drilling machine (201) are hollow to form connection ports (215).

8. The coal mine fully mechanized mining hydraulic support connecting pin shaft rapid drilling equipment according to claim 1 is characterized by: The middle outer side of the transmission rod (301) in the transmission structure (3) is connected to the bearing (302) by bolts, the outer side of the bearing (302) is movably connected to the third connecting rod (304), one side of the third connecting rod (304) is connected to the first telescopic rod (303) by bolts, the outer side of the third connecting rod (304) is connected to the inside of the transmission groove (202) by bolts, and one side of the transmission rod (301) is connected to the plug (305) by bolts.

9. The coal mine fully mechanized mining hydraulic support connecting pin shaft rapid drilling equipment according to claim 8 is characterized by: The rear end of the transmission rod (301) is connected to the second telescopic rod (306) by bolts, the rear end of the second telescopic rod (306) is movably connected in the rotation groove (3061), the rear end of the rotation groove (3061) is connected to the second base (307) by bolts, the rear end of the second base (307) is connected to the electric telescopic rod (308) by bolts, and the rear end of the electric telescopic rod (308) is connected to the inner side of the third connecting plate (309) by bolts.

10. The coal mine fully mechanized mining hydraulic support connecting pin shaft rapid drilling equipment according to claim 9, characterized in that: One side of the third connecting plate (309) is connected to the motor (310) by means of bolts, the inner side of the motor (310) is connected to the rear end of the second telescopic rod (306) by means of a coupling, the inner side of the motor (310) is movably connected to the belt (311), and the inner side of the belt (311) is movably connected to the rotating disk (312).

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