CN113530585B - Automatic drilling, anchor cable feeding and tensioning and fixedly connecting and cutting mechanism - Google Patents
Automatic drilling, anchor cable feeding and tensioning and fixedly connecting and cutting mechanism Download PDFInfo
- Publication number
- CN113530585B CN113530585B CN202110931910.1A CN202110931910A CN113530585B CN 113530585 B CN113530585 B CN 113530585B CN 202110931910 A CN202110931910 A CN 202110931910A CN 113530585 B CN113530585 B CN 113530585B
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- 238000005520 cutting process Methods 0.000 title claims abstract description 72
- 238000005553 drilling Methods 0.000 title claims abstract description 45
- 230000007246 mechanism Effects 0.000 title claims abstract description 34
- 239000003921 oil Substances 0.000 claims description 29
- 238000005192 partition Methods 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 239000003814 drug Substances 0.000 description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000000575 pesticide Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 238000004873 anchoring Methods 0.000 description 5
- 238000005507 spraying Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000010727 cylinder oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a mechanism for automatically drilling, feeding an anchor rope and tensioning and fixedly connecting and cutting, which comprises a frame, an anchor drill assembly, a feeding tray, a tray clamping assembly, a feeding rope and cutting assembly, a lifting oil cylinder and an electrohydraulic control assembly, wherein the anchor drill assembly can move in the front-back direction, the feeding tray, the tray clamping assembly and the feeding rope and cutting assembly can rotate around the circumference of the frame, and the lifting oil cylinder is suitable for pushing the feeding tray, the tray clamping assembly and the feeding rope and cutting assembly to move in the up-down direction. The automatic drilling, anchor cable feeding and tensioning and fixedly connecting and cutting mechanism can simultaneously complete a plurality of working procedures, and a special operation vehicle is not required to be replaced frequently when the anchor operation is carried out, so that the supporting efficiency is greatly improved.
Description
Technical Field
The invention relates to the fields of coal mine support, tunnels and the like, in particular to a mechanism for automatically drilling holes, feeding anchor cables and tensioning and fixedly connecting and cutting.
Background
Such as in the exploitation process of the coal mine, the ore body needs to be supported, in the related art, the anchor car is generally used for drilling and anchoring the ore body, but the anchor car in the related art has low operation efficiency and potential safety hazard.
Disclosure of Invention
Therefore, the embodiment of the invention provides the mechanism for automatically drilling, feeding the anchor cable and tensioning and fixedly connecting and cutting, and the mechanism for automatically drilling, feeding the anchor cable and tensioning and fixedly connecting and cutting does not need to frequently replace a special operation vehicle when in anchor operation, so that the supporting efficiency is greatly improved, the contradiction of disturbance of digging and anchoring is avoided, the safety risk of anchor construction is greatly reduced, and the mechanism accords with the great trend of automatically reducing manpower and intelligently improving the efficiency.
The mechanism for automatically drilling, feeding anchor cables and tensioning, fixedly connecting and cutting according to the embodiment of the invention comprises the following components: the machine frame extends along the front-back direction, the rear end of the machine frame is provided with a fixed cone, and the machine frame is provided with a rotary motor; an anchor drill assembly mounted on the frame and movable in a fore-aft direction; the tray conveying and clamping assembly is rotatable relative to the circumferential direction of the frame and can move up and down relative to the frame; the cable conveying and cutting assembly is arranged on the frame and can rotate around the circumference of the frame, the cable conveying and cutting assembly can move up and down, the cable conveying and cutting assembly and the pushing assembly are arranged at intervals in the width direction of the frame, the cable conveying and cutting assembly and the tray conveying and tray clamping assembly are arranged in the length direction of the frame and are connected through a connecting plate, one end of the lifting oil cylinder is connected with the output end of the rotary motor, the other end of the lifting oil cylinder is connected with the connecting plate, the rotary motor is suitable for driving the lifting oil cylinder and the tray conveying and tray clamping assembly, the cable conveying and cutting assembly to rotate around the circumference of the frame together, and the lifting oil cylinder is suitable for pushing the tray conveying and tray clamping assembly and the cable conveying and cutting assembly to move up and down; the electrohydraulic control assembly is arranged on the frame and is used for controlling the working states of the anchor drill assembly, the automatic tray feeding clamping assembly and the cable feeding and cutting assembly.
According to the mechanism for automatically drilling, feeding the anchor cable and tensioning and fixedly connecting and cutting off, the anchor drill assembly, the feeding tray, the tray clamping assembly and the feeding cable and cutting off assembly are arranged on the frame, so that a plurality of operation procedures can be completed simultaneously by using the mechanism for automatically drilling, feeding the anchor cable and tensioning and fixedly connecting and cutting off, a special operation vehicle does not need to be frequently replaced when anchor operation is carried out, the supporting efficiency is greatly improved, the contradiction of disturbance of digging and anchoring is avoided, the safety risk of anchor construction is greatly reduced, and the large trend of automatically reducing manpower and intelligently improving efficiency is met.
In some embodiments, the anchor drilling assembly comprises a drill box and feed gears mounted on both sides of the drill box, the frame has racks arranged along its length, the feed gears are adapted to move along the racks, and the rear end of the frame is provided with a magneto displacement sensor for acquiring the position of the drill box.
In some embodiments, the frame has a dovetail groove extending along a length direction thereof, and a bump is arranged at the bottom of the drill box, and the bump is matched in the dovetail groove to guide the drill box to move along the length direction of the dovetail groove.
In some embodiments, the tray feeding and clamping assembly comprises a tray bin, a tray clamping device and a tray taking cylinder, wherein a plurality of trays and springs for pushing the trays are stored in the tray bin, a tray common feeding port is formed in the front end of the tray bin to allow the springs to push the trays out of the tray bin, a tray limiting plate and an elastic protection plate are arranged at the tray common feeding port to ensure that each tray is in a correct tray taking position, one end of the tray taking cylinder is connected with the connection plate, the other end of the tray removing cylinder is connected with the tray clamping device, and the tray taking cylinder is suitable for driving the tray clamping device to move along the up-down direction so as to finish the clamping and placing of the trays.
In some embodiments, the tray gripper is located at the front end of the feeding cable and cutting assembly, the tray bin is located above the feeding cable and cutting assembly, the tray taking cylinder extends upwards to drive the tray gripper to move towards the tray common feeding port so as to clamp the tray, and the tray taking cylinder retracts downwards to drive the tray gripper to move downwards to a position opposite to the front end of the feeding cable and cutting assembly.
In some embodiments, the automatic drilling, cable feeding and tensioning and fixedly cutting mechanism further comprises a tray lifting oil cylinder, one end of the tray lifting oil cylinder is connected with the cable feeding and cutting assembly, the other end of the tray assembly is connected with the tray taking oil cylinder, and the tray lifting oil cylinder is suitable for driving the tray taking oil cylinder to move along the front-back direction.
In some embodiments, the cable feeding and cutting assembly comprises a cable feeding motor, a tensioning cylinder, an anchor cable clamp and an angle sensor, wherein the front end of the tensioning cylinder is provided with a cable outlet, the rear end of the tensioning cylinder is provided with a cable inlet, the cable feeding motor is arranged at the cable inlet to drive the anchor cable to pass through the tensioning cylinder, the anchor cable clamp is arranged at the cable outlet to clamp the anchor cable, and the angle sensor is arranged at the bottom of the tensioning cylinder to automatically calculate the cable feeding length.
In some embodiments, the tensioning cylinder comprises a cylinder body and a cylinder rod, the cylinder rod is arranged in the cylinder body, the anchor cable clamp is connected to the front end of the cylinder rod, the anchor cable penetrates through the cylinder rod, an annular cavity is formed between the cylinder rod and the inner peripheral wall of the cylinder body, an annular partition plate is arranged on the outer peripheral surface of the cylinder rod, the annular cavity is separated into a first cavity and a second cavity in the front-back direction by the partition plate, the first cavity is positioned on the front side of the partition plate, an extension spring is arranged in the second cavity, one end of the extension spring is connected with the bottom of the cylinder body, the other end of the extension spring is connected with the partition plate, the extension spring has a force for driving the cylinder rod to extend forwards, the outer wall of the cylinder body is provided with an oil filling hole, and hydraulic oil can be filled into the second cavity through the oil filling hole.
Drawings
Fig. 1 is a schematic structural view of an automatic drilling, cable feeding and tensioning and fixed-connection cutting mechanism according to an embodiment of the present invention.
Fig. 2 is a schematic partial structural view of an automatic drilling, cable feed and tension tie severing mechanism in accordance with an embodiment of the present invention.
Fig. 3 is a schematic structural view of a mechanism pushing assembly for automatically drilling holes, delivering anchor cables and tensioning and fixedly cutting off according to an embodiment of the invention.
Fig. 4 is a schematic structural view of a feed tray and tray clamping assembly of an automatic drilling, feed cable and tension tie-off mechanism according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a cable feeding and cutting assembly of an automatic drilling, cable feeding and tensioning and fixedly cutting mechanism according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of an anchor line clamp of an automatic drilling, anchor line feeding and tension-securing severing mechanism according to an embodiment of the present invention.
Fig. 7 is a schematic view of the electro-hydraulic control flow of the mechanism for automatic drilling, cable feeding and tensioning and tie-down severing in accordance with an embodiment of the present invention.
Reference numerals:
in the figure: 1-automatic drilling, anchor cable feeding and tensioning and fixedly connecting and cutting mechanism, 2-medicine pushing assembly, 3-tray feeding and tray clamping assembly, 4-cable feeding and cutting assembly, 5-electrohydraulic control assembly, 10-frame, 11-dovetail groove, 12-rack, 13-drilling box, 14-feeding gear, 15-rotating motor, 16-rotating motor, 17-magnetic displacement sensor, 18-fixed cone, 20-limiting plate, 21-contracting cylinder, 23-pushing cylinder, 24-guide plate, 25-inner cylinder, 26-outer cylinder, 27-torsion spring, 28-air bag, 29-air inlet pipe, 31-connecting plate, 32-tray bin, 34-elastic guard plate, 35-tray limiting plate, 36-tray taking cylinder, 37-lifting cylinder, 38-tray clamping device, 40-cylinder body, 41-cylinder rod, 42-extending spring, 43-cable feeding motor, 44-angle sensor, 45-conveying wheel, 46-anchor cable clamping device, 51-spray head, 52-swinging motor, 53-swinging cam, 54-guide rail, 55-guiding groove, 55-sliding guide column, 61-guide column, 62-C, and C-tray clamping structure.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 6, the automatic drilling, cable feeding and tensioning and fixedly cutting mechanism 1 according to the embodiment of the present invention comprises a frame 10, an anchor drill assembly, a tray feeding and clamping assembly 3, a cable feeding and cutting assembly 4, an electrohydraulic control assembly 5 and a lifting cylinder 37.
The frame 10 extends in a front-to-rear direction, and the rear end of the frame 10 has a fixing cone 18 for fixedly attaching the frame 10 to a roof, and an anchor drill assembly is mounted on the frame 10 and movable in the front-to-rear direction. It will be appreciated that as shown in fig. 2, the anchor drilling assembly comprises a drilling box 13 and two feeding gears 14 connected to the drilling box 13, a rack 12 and a dovetail groove 11 are provided on the frame 10, a projection capable of being matched with the dovetail groove 11 is provided at the bottom of the drilling box 13, and the drilling box 13 moves along the dovetail groove 11 through the engagement of the feeding gears 14 and the rack 12 to push the drill rod to drill.
The lifting oil cylinder 37, the rotary motor 16, the medicine pushing assembly 2, the tray conveying and tray clamping assembly 3, the rope conveying and cutting assembly 4 and the electrohydraulic control assembly 5 are all arranged on the frame 10, the rotary motor 16 can drive the lifting oil cylinder 37, the tray conveying and tray clamping assembly 3 and the rope conveying and cutting assembly 4 to rotate around the circumference of the frame 10, and the tray conveying and tray clamping assembly 3 and the rope conveying and cutting assembly 4 can move in the up-down direction under the control of the lifting oil cylinder 37.
Specifically, the anchor cable supporting operation generally comprises drilling, pesticide spraying, anchor cable feeding and tensioning cutting, as shown in fig. 1, a pesticide pushing component 2 and a shrinkage cylinder 21 for controlling the pesticide pushing component 2 to move up and down are further arranged on a mechanism 1 for automatically drilling, anchor cable feeding and tensioning and fixedly cutting, a rotating motor 15 for controlling the pesticide pushing component 2 to rotate around the frame 10 is arranged on the frame 10, when the mechanism 1 for automatically drilling, anchor cable feeding and tensioning and fixedly cutting works, an electro-hydraulic control component 5 starts and controls an anchor drill component to drill, after the drilling is completed, the electro-hydraulic control component 5 controls the anchor drill component to reset and controls the rotating motor 15 to drive the pesticide pushing component 2 and the shrinkage cylinder 21 to rotate to the position right below the frame 10, and the pesticide pushing component 2 is lifted to the position opposite to the anchor cable hole by utilizing the shrinkage cylinder 21.
After the medicine pushing component 2 injects the medicine into the anchor cable hole, the electro-hydraulic control component 5 controls the medicine pushing component 2 to reset and controls the rotary motor to drive the tray feeding and tray clamping component 3, the rope feeding and cutting component 4 to rotate and the lifting oil cylinder 37 to be right below the frame 10, and the lifting oil cylinder 37 is utilized to lift the tray feeding and tray clamping component 3 and the rope feeding and cutting component 4 to a position opposite to the anchor cable hole, then the electro-hydraulic control component 5 firstly controls the tray feeding and tray clamping component 3 to place the tray C at the anchor cable hole, then controls the rope feeding and cutting component 4 to feed the anchor cable into the anchor cable hole through the tray C, then controls the rope feeding and cutting component to tension the anchor cable, then controls the tray feeding and tray clamping component 3 to clamp and deform the tray C so as to enable the tray C to be fixedly connected with the anchor cable, and finally controls the rope feeding and cutting component 4 to cut off the anchor cable, and anchoring operation is completed.
According to the mechanism for automatically drilling, delivering an anchor rope and tensioning and fixedly connecting and cutting off, the anchor drill assembly, the medicine pushing assembly, the tray delivering and clamping assembly, the rope delivering and cutting assembly are arranged on the rack, so that a plurality of working procedures can be finished simultaneously by utilizing the mechanism for automatically drilling, delivering the anchor rope and tensioning and fixedly connecting and cutting off, a special vehicle for frequent replacement is not needed when the anchor operation is carried out, the supporting efficiency is greatly improved, the contradiction of disturbance of the digging and the anchoring is avoided, the safety risk of the anchor construction is greatly reduced, and the large trend of automatically reducing manpower and intelligently improving the efficiency is met.
Further, as shown in fig. 2, a magnetic displacement sensor 17 is provided at the rear end of the frame 10 for acquiring the position of the drill box 13, thereby judging the drilling progress.
As shown in fig. 4, in some embodiments, the tray feeding and clamping assembly 3 includes a tray bin 32, a tray gripper 38 and a tray taking cylinder 36, wherein a plurality of trays C and springs for pushing the trays C are stored in the tray bin 32, a tray common feeding port is formed at the front end of the tray bin 32 to allow the springs to push the trays C out of the tray bin 32, one end of the tray taking cylinder 36 is connected with the connecting plate 31, the other end of the tray taking cylinder 36 is connected with the tray gripper 38, and the tray taking cylinder 36 is adapted to drive the tray gripper 38 to move in an up-down direction to complete the gripping and placing of the trays C.
As shown in fig. 4, a spring is mounted at the bottom of the tray bin 32 to realize automatic pushing and hydraulic tensioning, after one tray C is taken away, the spring can push the next tray C to a clamping position, and a tray limiting plate 35 and an elastic protection plate 34 are arranged at the top of the tray bin 32 to ensure that each tray C is at a correct tray taking position.
Further, as shown in fig. 4, the tray gripper 38 is located at the front end of the cable feeding and cutting assembly 4, the tray bin 32 is located above the cable feeding and cutting assembly 4, the tray taking cylinder 36 extends upwards to drive the tray gripper 38 to move towards the tray common feeding port so as to grip the tray, and the tray taking cylinder 36 retracts downwards to drive the tray gripper 38 to move downwards to a position opposite to the front end of the cable feeding and cutting assembly 4, so that the anchor cable can be ensured to pass through the tray C.
Further, as shown in fig. 4, the pallet feeding and clamping assembly 3 further includes a pallet lifting cylinder 37, one end of the pallet lifting cylinder 37 is connected with the cable feeding and cutting assembly 4, the other end of the pallet C assembly is connected with the pallet taking cylinder 36, and the pallet lifting cylinder 37 is adapted to drive the pallet taking cylinder 36 to move in the front-rear direction. Thus, after the pallet is gripped by the pallet gripper 38, the pallet lift cylinder 37 can push the pallet-taking cylinder 36 to move toward the anchor cable hole to complete the jacking.
In some embodiments, as shown in fig. 5, the cable feeding and cutting assembly 4 includes a cable feeding motor 43, a tensioning cylinder and an anchor cable gripper 46, the tensioning cylinder includes a cylinder body 40 and a cylinder rod 41, the cylinder rod 41 is disposed in the cylinder body 40, a front end of the cylinder rod 41 has a cable outlet, a rear end of the cylinder body 40 has a cable inlet, the cable feeding motor 43 is disposed at the cable inlet to drive an anchor cable to pass through the tensioning cylinder, and the anchor cable gripper 46 is disposed at the cable outlet to grip the anchor cable.
Specifically, as shown in fig. 5, the anchor cable clamp 46 is connected to the front end of the cylinder rod 41, the anchor cable passes through the cylinder rod 41, an annular cavity is formed between the cylinder rod 41 and the inner peripheral wall of the cylinder body 40, an annular partition plate is arranged on the outer peripheral surface of the cylinder rod 41, the annular cavity is partitioned into a first cavity and a second cavity by the partition plate in the front-back direction, the first cavity is positioned at the front side of the partition plate, an extension spring 42 is arranged in the second cavity, one end of the extension spring 42 is connected with the bottom of the cylinder body 40, the other end of the extension spring 42 is connected with the partition plate, the extension spring 42 has a force for driving the cylinder rod 41 to extend forwards, an oil filling hole is formed in the outer wall of the cylinder body 40, and hydraulic oil can be filled into the first cavity through the oil filling hole to realize tensioning of the anchor cable.
It should be noted that, in the non-operation state, the tray taking cylinder 36 is retracted, the tray clamping device 38 is pressed against the anchor cable clamping device 46, the cylinder rod 41 is retracted in the cylinder body 40, the extension spring 42 is retracted, in the operation state, the tray taking cylinder 36 moves the tray C to the anchor cable hole under the driving of the tray lifting cylinder 37, at this time, the tray clamping device 38 is not pressing against the anchor cable clamping device 46, the extension spring 42 pushes the cylinder rod 41 to extend forward to push the anchor cable clamping device 46 out a distance, when the anchor cable needs to be tensioned, hydraulic oil can be injected into the second cavity through the oil injection hole to press the cylinder rod 41 to retract by the hydraulic oil, and the retraction of the cylinder rod 41 can drive the anchor cable clamping device 46 to move backward to tension the anchor cable. After the cable bolt is tensioned, the pallet clamp 38 may squeeze the pallet C root into plastic deformation to fasten it with the cable bolt.
In the present invention, as shown in fig. 4-6, the pallet clamp 38 and the cable clamp 46 are structurally similar and each comprise a fork structure 61, a clamping cylinder 62 and a clamping hand 63. The tray clamping device 38 and the anchor cable clamping device 46 are different in that the clamping object enters the tray clamping device 38 in different modes, the anchor cable clamping device 46 enters from the lower side, so that the clamping hands 63 of the tray clamping device 38 are shorter (see the broken line in the figure), and the smooth clamping is ensured. The clamping hand 63 is made of high-grade alloy steel for surface quenching, so that the wear resistance is high, and the use reliability is ensured. The shape of the clamping hand 63 is matched with the shape of the tray C and the anchor cable, so that firm clamping and thorough separation are realized.
Further, as shown in fig. 5, the wire feeding and cutting assembly 4 further includes a swing motor 52 and a high-pressure water jet 51, the high-pressure water jet 51 being swingably connected to the anchor line clamper 46, the swing motor 52 being adapted to drive the jet 51 to swing around the circumference of the tensioning cylinder. Therefore, after the tensioning cylinder is used for tensioning the anchor cable, the high-pressure water spray head can be used for water cutting, and the swing motor 52 can control the high-pressure water spray head 51 to repeatedly cut the anchor cable until the anchor cable is cut off.
As shown in fig. 5, the swing motor 52 drives the swing cam 53 to rotate, and the guide groove 55 of the swing cam 53 contacts with the sliding column 56 below the high-pressure water spray head 51 to push the high-pressure water spray head 51 to swing back and forth along the guide rail 54, so that the anchor cable is completely cut off.
Specifically, after the tray C is propped up by the cable feeding and cutting assembly 4, the cylinder rod 41 drives the anchor cable clamping device 46 to stretch out, the anchor cable clamping gas loosens the anchor cable, the cable feeding motor 43 drives the conveying wheel 45 to feed the anchor cable into the anchor cable hole through the inner hole of the tray C along the tensioning cylinder, when the angle sensor 44 senses that the anchor cable is in place, the cable feeding is stopped, after the medicament in the cartridge A is solidified, the anchor cable clamping device 46 clamps the anchor cable, hydraulic oil enters the first cavity to press the cylinder rod 41 to retract to tension the anchor cable to reach the rated pressure, the first cavity is closed, then, the tray clamping device 38 extrudes the root of the tray C to generate plastic deformation to be fixedly connected with the anchor cable, after the fastening of the tray C and the anchor cable is completed, the anchor cable is repeatedly cut by the high-pressure water spray nozzle 51, the pressure of the first cavity is reduced to zero after the anchor cable is completely cut off, and the pressure sensor transmits signals to the electrical control system. Preferably, the invention adopts 98MPa high-pressure water cutting anchor cable containing abrasive to realize no flame in the cutting process, thereby thoroughly avoiding the underground explosion-proof problem.
Further, as shown in fig. 3, the medicine pushing assembly 2 includes an inner cylinder 25 and an outer cylinder 26 rotatable relative to the inner cylinder 25, the inner cylinder 25 is located in the outer cylinder 26, an annular partition is provided between the inner cylinder 25 and the outer cylinder 26, a plurality of medicine rolls a encircling the outer periphery of the inner cylinder 25 are provided in the annular partition, the front end of the inner cylinder 25 has a medicine spraying port, one side of the outer peripheral wall of the inner cylinder 25 has a medicine inlet, and the medicine rolls a are suitable for entering the inner cylinder 25 through the medicine inlet and being sprayed through the medicine spraying port.
Specifically, as shown in fig. 3, a limiting plate 20, a guide plate 24 and a torsion spring 27 are arranged in the annular spacing cavity, the guide plate 24 is connected to the peripheral wall of the inner barrel 25 and is positioned at the position of the medicine inlet, a plurality of medicine rolls A are positioned between the guide plate 24 and the limiting plate 20, one end of the torsion spring 27 is connected with the inner barrel 25, the other end of the torsion spring 27 is connected with the outer barrel 26, the torsion spring 27 has a force for driving the outer barrel 26 to rotate relative to the inner barrel 25 along the circumferential direction of the inner barrel 25, a top cylinder oil tank is arranged on the guide plate 24, and the top cylinder oil tank is suitable for pushing the medicine rolls A to enter the inner barrel 25 along the guide plate 24 through the medicine inlet.
Therefore, when the medicine pushing assembly 2 performs medicine pushing operation, the pushing cylinder 23 is suitable for pushing the medicine cartridge a at the medicine inlet into the inner cylinder 25, and the torsion spring 27 drives the outer cylinder 26 to rotate along with the medicine cartridge a entering the inner cylinder 25, so that the limiting plate 20 rotates along with the outer cylinder 26 and pushes the medicine cartridge a to rotate around the inner cylinder 25 until the medicine cartridges a are clamped between the limiting plate 20 and the guide plate 24. In other words, the torsion spring 27 drives the outer cylinder 26 to rotate, so that the medicine roll A can be always ensured to exist at the medicine inlet.
Further, an air bag 28 is arranged at the rear end of the inner barrel 25, and after the cartridge A enters the inner barrel 25, the air bag 28 is inflated to eject the cartridge A out of the cartridge spraying opening. In addition, after balloon 28 pushes cartridge a out, the air in balloon 28 may be sucked away by the suction pump to prepare for the next inflation operation.
As shown in fig. 7, the automatic drilling, pushing, feeding and anchor cable and tensioning and fixedly connecting and cutting mechanism has complex mechanical actions, complex logic relationship and high reliability, and comprises multiple actions of anchor drilling (feeding, rotating), pushing, feeding a tray, feeding an anchor cable, tensioning an anchor cable, clamping a tray, cutting an anchor cable, stopping suddenly and the like, the complex mechanical structure and hydraulic accurate control are realized by adopting a PLC with high processing capacity, a multi-field sensor and an advanced control algorithm, the various actions of a drill boom and the parameter matching of a hydraulic system are realized by adopting a modularized programming language, and an execution part is realized by adopting a highly integrated electrohydraulic control valve group.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (8)
1. Automatic mechanism of drilling, sending anchor rope and tensioning to link firmly and cut off, its characterized in that includes:
the machine frame extends along the front-back direction, the rear end of the machine frame is provided with a fixed cone, and the machine frame is provided with a rotary motor;
an anchor drill assembly mounted on the frame and movable in a fore-aft direction;
the tray conveying and clamping assembly is rotatable relative to the circumferential direction of the frame and can move up and down relative to the frame;
the cable conveying and cutting assembly is arranged on the frame and can rotate around the circumference of the frame, the cable conveying and cutting assembly can move in the up-down direction, and the cable conveying and cutting assembly, the tray conveying and clamping assembly and the tray conveying and clamping assembly are arranged in the length direction of the frame and are connected through a connecting plate;
the lifting oil cylinder is connected with the output end of the rotary motor, the other end of the lifting oil cylinder is connected with the connecting plate, the rotary motor is suitable for driving the lifting oil cylinder, the tray conveying and tray clamping assembly and the cable conveying and cutting assembly to rotate around the circumferential direction of the frame together, and the lifting oil cylinder is suitable for pushing the tray conveying and tray clamping assembly and the cable conveying and cutting assembly to move in the up-down direction;
the electrohydraulic control assembly is arranged on the frame and is used for controlling the working states of the anchor drill assembly, the tray feeding and clamping assembly and the cable feeding and cutting assembly.
2. The automatic drilling, cable feeding and tensioning and severing mechanism according to claim 1, wherein the anchor drilling assembly comprises a drill box and feed gears mounted on both sides of the drill box, the frame has racks arranged along its length, the feed gears are adapted to move along the racks, and the rear end of the frame is provided with a magneto-displacement sensor for acquiring the position of the drill box.
3. The mechanism for automatically drilling, feeding anchor cable and tensioning and fixedly cutting off according to claim 2, wherein the frame is provided with a dovetail groove extending along the length direction of the frame, a lug is arranged at the bottom of the drill box, and the lug is matched in the dovetail groove to guide the drill box to move along the length direction of the dovetail groove.
4. The automatic drilling, anchor cable feeding and tensioning and fixedly connecting and cutting mechanism according to claim 1, wherein the tray feeding and clamping assembly comprises a tray bin, a tray clamping device and a tray taking oil cylinder, a plurality of trays and springs for pushing the trays are stored in the tray bin, a tray common feeding port is formed in the front end of the tray bin so as to allow the springs to push the trays out of the tray bin, a tray limiting plate and an elastic protection plate are arranged at the tray common feeding port so as to ensure that each tray is in a correct tray taking position, one end of the tray taking oil cylinder is connected with the connecting plate, the other end of the tray taking oil cylinder is connected with the tray clamping device, and the tray taking oil cylinder is suitable for driving the tray clamping device to move in the up-down direction so as to finish clamping and placing of the trays.
5. The mechanism of claim 4, wherein the tray gripper is located at a front end of the feed cable and cutter assembly, the tray magazine is located above the feed cable and cutter assembly, the tray gripper is driven to move toward the tray common feed port by upward extension of the tray taking cylinder to grip the tray, and downward retraction of the tray taking cylinder drives the tray gripper to move downward to a position opposite the front end of the feed cable and cutter assembly.
6. The mechanism for automatically drilling, feeding and tensioning a cable and fixedly cutting off according to claim 5, further comprising a tray lifting cylinder, wherein one end of the tray lifting cylinder is connected with the cable feeding and cutting-off assembly, the other end of the tray lifting cylinder is connected with the tray taking cylinder, and the tray lifting cylinder is suitable for driving the tray taking cylinder to move along the front-back direction.
7. The mechanism for automatically drilling, feeding and tensioning and fixedly cutting off according to claim 1, wherein the cable feeding and cutting-off assembly comprises a cable feeding motor, a tensioning cylinder, an anchor cable clamping device and an angle sensor, the front end of the tensioning cylinder is provided with a cable outlet, the rear end of the tensioning cylinder is provided with a cable inlet, the cable feeding motor is arranged at the cable inlet to drive the anchor cable to pass through the tensioning cylinder, the anchor cable clamping device is arranged at the cable outlet to clamp the anchor cable, and the angle sensor is arranged at the bottom of the tensioning cylinder to automatically calculate the cable feeding length.
8. The mechanism for automatically drilling, feeding and tensioning and fixedly cutting off according to claim 7, wherein the tensioning cylinder comprises a cylinder body and a cylinder rod, the cylinder rod is arranged in the cylinder body, the anchor cable clamp is connected to the front end of the cylinder rod, the anchor cable penetrates through the cylinder rod, an annular cavity is formed between the cylinder rod and the inner peripheral wall of the cylinder body, an annular partition plate is arranged on the outer peripheral surface of the cylinder rod, the annular cavity is partitioned into a first cavity and a second cavity in the front-back direction by the partition plate, the first cavity is positioned on the front side of the partition plate, an extension spring is arranged in the second cavity, one end of the extension spring is connected with the bottom of the cylinder body, the other end of the extension spring is connected with the partition plate, the extension spring has a force for driving the cylinder rod to extend forwards, the outer wall of the cylinder body is provided with an oil injection hole, and hydraulic oil can be injected into the second cavity through the oil injection hole.
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| CN202110931910.1A CN113530585B (en) | 2021-08-13 | 2021-08-13 | Automatic drilling, anchor cable feeding and tensioning and fixedly connecting and cutting mechanism |
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| CN202110931910.1A CN113530585B (en) | 2021-08-13 | 2021-08-13 | Automatic drilling, anchor cable feeding and tensioning and fixedly connecting and cutting mechanism |
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| CN113863970B (en) * | 2021-12-03 | 2022-04-01 | 中国矿业大学(北京) | Rotating wheel type anchor rod construction mechanical arm and trolley |
| CN115898490B (en) * | 2023-02-14 | 2023-08-22 | 西南交通大学 | Automatic cable feeding and stirring device and method for prestressed anchor cable |
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