CN212389263U - Anchor cable self-drilling device based on water jet technology - Google Patents
Anchor cable self-drilling device based on water jet technology Download PDFInfo
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- CN212389263U CN212389263U CN202020789824.2U CN202020789824U CN212389263U CN 212389263 U CN212389263 U CN 212389263U CN 202020789824 U CN202020789824 U CN 202020789824U CN 212389263 U CN212389263 U CN 212389263U
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Abstract
The anchor cable self-drilling device based on the water jet technology comprises an angle-adjustable drilling mechanism and a water jet generating device arranged on the rear side of the angle-adjustable drilling mechanism; a hollow anchor cable is clamped between the anchor cable clamping and rotating mechanism and the anchor cable rotating and guiding clamp, a high-pressure spray head is arranged at the front end of the hollow anchor cable, and a water outlet of a water outlet pipe of the water jet generating device is connected with the rear end of the hollow anchor cable through a high-pressure rotating and sealing joint. The utility model discloses do not produce heat, no spark, no dust, essence safety, noise are little in the drilling process, specially adapted colliery is environment in the pit. The utility model discloses saved the drilling rod and crept into and move back the process of pole, and easy operation easily realizes automated control. The hollow anchor cable is used as a drilling tool, drilling is carried out once and the anchor cable is pushed to the bottom of a hole, a link of retreating a drill rod or retreating the anchor cable does not exist, and after drilling is formed, the anchor cable is always supported and is not influenced by deformation and collapse of the drilled hole, so that the anchor cable is particularly suitable for anchor cable construction in a coal rock mass crushing area.
Description
Technical Field
The utility model belongs to the technical field of mineral engineering, concretely relates to anchor rope is from creeping into device based on water jet technique.
Background
Anchor cable support is a common support technology in mining engineering, geotechnical engineering, underground engineering and the like. The anchor cable has long length and wide anchoring range, is matched with anchor rod support for use, and becomes the most main support mode of coal mine roadways in China.
Anchor rope length varies from 3~4 meters to ten meters, and the anchor rope length is used commonly in the colliery about 6~10m, and current work progress is: an anchor cable drilling machine is used for drilling, the length of a drill rod is generally 1m, so that 6-10 drill rods are needed to complete drilling construction, and then the drill rods are withdrawn one by one; an anchor rope is used to feed the anchoring agent into the borehole. The construction time of a single anchor cable is about 20-30 minutes. When the coal rock mass in the anchoring area is broken or has high stress, after the anchor cable drilling construction is finished and the drill rod is withdrawn, the drill hole can deform or even collapse, so that the anchoring agent and the anchor cable are difficult to feed into waste holes. Therefore, the anchor cable has the main defects of multiple anchor cable construction procedures, long time, easy hole collapse and the like in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide an anchor rope from creeping into device based on water jet technique that environmental protection, safety, easily operation, efficiency of construction are high.
In order to solve the technical problem, the utility model adopts the following technical scheme: the anchor cable self-drilling device based on the water jet technology comprises an angle-adjustable drilling mechanism and a water jet generating device arranged on the rear side of the angle-adjustable drilling mechanism;
the angle-adjustable drilling mechanism comprises a hydraulic cylinder which is vertically arranged, a fixing support is arranged at the lower end of a cylinder body of the hydraulic cylinder, a positioning frame is arranged at the upper end of a piston rod of the hydraulic cylinder, a fixing shaft is horizontally arranged on the left side of the upper portion of the cylinder body of the hydraulic cylinder along the front and back directions, a rectangular frame is connected to the fixing shaft in a rotating mode, a slide way and an air cylinder are arranged on the rectangular frame along the front and back directions, a slide plate is arranged on the slide way in a sliding mode, an anchor cable clamping and rotating mechanism is arranged on the rear side of the slide way, the air cylinder is located below the slide way, the rear end of the air cylinder is hinged to the lower portion of the rear side of the rectangular frame, the front end of the air cylinder is connected with the bottom of the slide plate through a connecting seat, a vertical plate is fixedly arranged on the left side; the upper part of the rear side of the rectangular frame is provided with an anchor cable rotary guide clamp which corresponds to the front and the back of the anchor cable clamping rotary mechanism;
a hollow anchor cable is clamped between the anchor cable clamping and rotating mechanism and the anchor cable rotating and guiding clamp, a high-pressure spray head is arranged at the front end of the hollow anchor cable, and a water outlet of a water outlet pipe of the water jet generating device is connected with the rear end of the hollow anchor cable through a high-pressure rotating and sealing joint.
The riser is semi-circular structure, the straight line section limit of riser vertical setting and with the cylinder body fixed connection of pneumatic cylinder, the arc guide hole is located the rear side of pneumatic cylinder, the riser right flank is equipped with the angle scale along the length direction of arc guide hole, 0 scale of angle scale is located the mid point department of arc guide hole.
The water jet generating device comprises a water bucket or a mortar mixing bucket, a water pumping pipe, a water outlet pipe and a high-pressure clean water pump or a mortar pump, wherein the inlet of the water pumping pipe extends to the position below the liquid level of the water bucket or the mortar mixing bucket, the outlet of the water pumping pipe is connected with the inlet of the high-pressure clean water pump or the mortar pump, and the outlet of the high-pressure clean water pump or the mortar pump is connected with the inlet of the water outlet pipe.
High pressure nozzle includes shower nozzle body and adapter sleeve, the hole of adapter sleeve includes the first internal thread hole of front side and the second internal thread hole of rear side, the aperture in first internal thread hole is less than the aperture in second internal thread hole, the front end of cavity anchor rope stretches into and threaded connection is downthehole to the second internal thread, shower nozzle body excircle is provided with the external screw thread, the excircle of shower nozzle body stretches into and threaded connection is downthehole at first internal thread, this internal front side of shower nozzle is equipped with the jet orifice of two centrosymmetries, the hole of crossing that corresponds with the centre bore of cavity anchor rope is seted up in the inside rear side center department of shower nozzle body, the connecting hole that radially seted up is passed through to the rear end of two jet orifices and is crossed the water hole intercommunication, interior hexagonal.
By adopting the technical scheme, pure water jet flow or abrasive water jet flow is selected according to the strength and lithology of the coal and rock body anchored by the specific anchor cable, the pure water jet flow is used for the coal or weak rock body, and the high-pressure clean water pump is directly used as power; the medium-hard or hard rock mass uses abrasive water jet and uses a mortar pump as power.
The anchor cable clamping and rotating mechanism adopts a hydraulic motor to drive the hollow anchor cable to rotate through a gear transmission mechanism. The utility model discloses when the work uses, the rear side at appointed anchor rope support construction site sets up drilling mechanism with adjustable angle, and the rear side of drilling mechanism with adjustable angle sets up water jet generating device. And then adjusting the drilling direction of the anchor cable, namely starting a hydraulic cylinder, enabling a piston cylinder of the hydraulic cylinder to extend upwards, jacking a tunnel top plate by a positioning frame, fixing the position of the angle-adjustable drilling mechanism, loosening nuts on the front side positioning bolt and the rear side positioning bolt, rotating a rectangular frame, rotating the rectangular frame by taking the fixed shaft as a central line, moving the positioning bolt in the arc guide hole, determining the drilling direction through scales on the angle scale, and then screwing two nuts to position the rectangular frame.
And then starting the water jet generating device and the angle-adjustable drilling mechanism to drill the coal rock wall on the front side, wherein the concrete operation steps of the drilling operation are as follows: the high-pressure clean water pump or the mortar pump, the anchor rope clamping and rotating mechanism and the air cylinder are started, the high-pressure clean water pump or the mortar pump pumps out clean water or abrasive water in a water bucket or a mortar stirring bucket to be conveyed forwards to the high-pressure spray head through the hollow anchor rope, the clean water or the abrasive water is sprayed forwards through two spray holes on the high-pressure spray head to form water jet flow capable of breaking rock, the air cylinder pushes the sliding plate and the anchor rope clamping and rotating mechanism to move forwards along the slide way, the hollow anchor rope rotates at a certain speed while moving forwards, the water jet flow sprayed forwards through the two spray holes performs high-pressure hydraulic drilling on the coal rock wall, coal scraps and rock scraps flow out from the hole opening through annular reduction between the drilled hole and the hollow anchor rope, the air cylinder stops extending when the extending stroke of a piston rod of the air cylinder reaches the maximum, the anchor rope clamping and rotating mechanism, when the hollow anchor cable is moved backwards to an initial position, the anchor cable clamping and rotating mechanism clamps the hollow anchor cable, the anchor cable rotating and guiding clamp loosens the hollow anchor cable, then the process that the air cylinder drives the sliding plate to move forwards, the anchor cable clamping and rotating mechanism drives the hollow anchor cable to rotate, and the high-pressure spray nozzle at the front end of the hollow anchor cable sprays high-pressure water jet to perform hydraulic cutting operation on the coal rock wall is repeated, when the extending stroke of the piston rod of the air cylinder reaches the maximum, the piston rod of the air cylinder retracts again, the operation is repeated for multiple times until most of the hollow anchor cable enters a drilled hole, and after the length of the hollow anchor cable outside the drilled hole is 10-15cm, the.
To sum up, the utility model discloses following technological effect has:
(1) the utility model discloses a water jet technology belongs to cold cutting technique, and the process of creeping into does not produce heat, sparkless, no dust, essence safety, noise are little, the environment under the specially adapted colliery.
(2) The utility model discloses saved the drilling rod and crept into and move back the process of pole, and easy operation easily realizes automated control, is equipped with large-traffic high-pressure pump, connects the construction when many branch pipelines can also realize a plurality of anchor ropes, and the efficiency of construction promotes greatly.
(3) The utility model discloses a cavity anchor rope is as the drilling tool, once creeps into and the propelling movement is to the hole bottom, does not have the link that moves back the drilling rod or move back the anchor rope, and the back that takes shape of drilling has the anchor rope to support always, does not receive the influence that drilling warp and slump, and the broken regional anchor rope construction of specially adapted coal petrography body.
(4) The water jet generating device can generate high-pressure water jet or high-pressure abrasive water jet, the high-pressure water jet or the high-pressure abrasive water jet is conveyed to the hollow anchor rope through a pipeline and is sprayed out from the high-pressure spray head through the inner hole of the hollow anchor rope, the angle-adjustable drilling mechanism taking the hydraulic upright (hydraulic cylinder) as a main body can firstly adjust and fix the drilling direction, the hollow anchor rope is driven to rotate and push forwards, and the high-pressure water jet sprayed out from the high-pressure spray head can realize the rotary rock breaking of the coal rock mass, so that the self.
Drawings
FIG. 1 is a schematic structural view of the present invention during self-drilling operation;
fig. 2 is an enlarged view of the high pressure showerhead of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the anchor cable self-drilling device based on the water jet technology of the present invention includes an angle-adjustable drilling mechanism and a water jet generating device disposed at the rear side of the angle-adjustable drilling mechanism.
The angle-adjustable drilling mechanism comprises a hydraulic cylinder 6 which is vertically arranged, a fixed support 7 is arranged at the lower end of a cylinder body of the hydraulic cylinder 6, a positioning frame 8 is arranged at the upper end of a piston rod of the hydraulic cylinder 6, a fixed shaft 9 is arranged on the left side of the upper portion of the cylinder body of the hydraulic cylinder 6 along the front-back horizontal direction, a rectangular frame 10 is connected to the fixed shaft 9 in a rotating mode, a slide rail 11 and an air cylinder 12 are arranged on the rectangular frame 10 along the front-back direction, a slide plate 13 is arranged on the slide rail 11 in a sliding mode, an anchor cable clamping and rotating mechanism 14 is arranged on the rear side of the slide plate 13, the air cylinder 12 is located below the slide rail 11, the rear end of the air cylinder 12 is hinged to the lower portion of the rear side of the rectangular frame 10, the front end of the air cylinder 12 is connected with the bottom of the slide plate 13 through a, a positioning bolt 17 is fixedly arranged at the right side part of the rectangular frame 10, and the right end of the positioning bolt 17 passes through the arc-shaped guide hole 16 on the vertical plate 15 and is in compression joint with the vertical plate 15 through a nut 18; the upper part of the rear side of the rectangular frame 10 is provided with an anchor cable rotary guide clamp 19 which corresponds to the anchor cable clamping rotary mechanism 14 in the front-rear direction; a hollow anchor cable 1 is clamped between the anchor cable clamping and rotating mechanism and the anchor cable rotating and guiding clamp, a high-pressure spray head 38 is arranged at the front end of the hollow anchor cable 1, and a water outlet of a water outlet pipe of the water jet generating device is connected with the rear end of the hollow anchor cable 1 through a high-pressure rotating and sealing joint 2.
The vertical plate 15 is of a semicircular structure, the straight line section edge of the vertical plate 15 is vertically arranged and fixedly connected with the cylinder body of the hydraulic cylinder 6, the arc-shaped guide hole 16 is located at the rear side of the hydraulic cylinder 6, the front side surface of the front vertical plate 15 and the rear side surface of the rear vertical plate 15 are both provided with an angle graduated scale along the length direction of the arc-shaped guide hole 16, and the 0 scale of the angle graduated scale is located at the midpoint of the arc-shaped guide hole 16.
The water jet generating device comprises a water bucket or mortar mixing bucket 20, a water pumping pipe 21, a water outlet pipe 22 and a high-pressure clean water pump or mortar pump 23, wherein the inlet of the water pumping pipe 21 extends to the position below the liquid level of the water bucket or mortar mixing bucket 20, the outlet of the water pumping pipe 21 is connected with the inlet of the high-pressure clean water pump or mortar pump 23, and the outlet of the high-pressure clean water pump or mortar pump 23 is connected with the inlet of the water outlet pipe 22.
The high-pressure sprayer 38 comprises a sprayer body 24 and a connecting sleeve 25, an inner hole of the connecting sleeve 25 comprises a first internal threaded hole on the front side and a second internal threaded hole on the rear side, the aperture of the first internal threaded hole is smaller than that of the second internal threaded hole, the front end of the hollow anchor cable 1 stretches into and is in threaded connection with the second internal threaded hole, an external thread is arranged on the outer circle of the sprayer body 24, the outer circle of the sprayer body 24 stretches into and is in threaded connection with the first internal threaded hole, two centrosymmetric spray holes 26 are arranged on the front side in the sprayer body 24, a water passing hole 27 corresponding to a central hole of the hollow anchor cable 1 is formed in the center of the inner rear side of the sprayer body 24, the rear ends of the two spray holes 26 are communicated with the water passing hole 27 through connecting holes 28 formed in the radial direction. The inner hexagonal groove 29 is used for driving the nozzle body 24 to screw into or out of the first inner threaded hole by using a hexagonal prism wrench.
Selecting and using pure water jet or abrasive water jet according to the strength and lithology of the coal rock body anchored by the specific anchor cable, wherein the coal rock body or the weak rock body uses the pure water jet, and directly uses the high-pressure clean water pump as power; the medium-hard or hard rock mass uses abrasive water jet and uses a mortar pump as power.
The anchor cable clamping and rotating mechanism adopts a hydraulic motor to drive the hollow anchor cable to rotate through a gear transmission mechanism. The utility model discloses when the work uses, the rear side at appointed anchor rope support construction site sets up drilling mechanism with adjustable angle, and the rear side of drilling mechanism with adjustable angle sets up water jet generating device. And then adjusting the drilling direction of the anchor cable, namely starting the hydraulic cylinder 6, extending a piston cylinder of the hydraulic cylinder 6 upwards, jacking a roadway top plate by the positioning frame 8, fixing the position of the angle-adjustable drilling mechanism, loosening the nuts 18 on the front side positioning bolt 17 and the rear side positioning bolt 17, rotating the rectangular frame 10 by taking the fixed shaft 9 as a central line, moving the positioning bolts 17 in the arc-shaped guide holes 16, determining the drilling direction through the scales on the angle scale, and then screwing the two nuts 18 to position the rectangular frame 10.
And then starting the water jet generating device and the angle-adjustable drilling mechanism to drill the coal rock wall on the front side, wherein the concrete operation steps of the drilling operation are as follows: starting a high-pressure clean water pump or a mortar pump 23, an anchor rope clamping and rotating mechanism 14 and an air cylinder 12, pumping clean water or abrasive water in a water bucket or a mortar stirring bucket 20 out by the high-pressure clean water pump or the mortar pump 23, conveying the clean water or the abrasive water forwards to a high-pressure spray head 38 through a hollow anchor rope 1, spraying the clean water or the abrasive water forwards through two spray holes 26 on the high-pressure spray head 38 to form a water jet capable of breaking rock, pushing a sliding plate 13 and the anchor rope clamping and rotating mechanism 14 to move forwards along a slideway by the air cylinder 12, rotating the hollow anchor rope 1 at a high speed while moving forwards, drilling a coal rock wall 3 by the water jet sprayed forwards through the two spray holes 26 at a high pressure, enabling coal scraps and rock scraps to flow out from an orifice through annular reduction between a drill hole and the hollow anchor rope 1, stopping extension of the air cylinder 12 when a piston rod of the, the piston rod of the air cylinder 12 contracts to drive the sliding plate 13 and the anchor cable clamping and rotating mechanism 14 to move backwards, when the hollow anchor cable 1 is moved backwards to an initial position, the anchor cable clamping and rotating mechanism 14 clamps the hollow anchor cable 1, the anchor cable rotary guide clamp 19 loosens the hollow anchor cable 1, then the process that the air cylinder 12 drives the sliding plate 13 to move forwards, the anchor cable clamping and rotating mechanism 14 drives the hollow anchor cable 1 to rotate, and the high-pressure water jet is sprayed by the high-pressure nozzle 38 at the front end of the hollow anchor cable 1 to perform hydraulic cutting operation on the coal rock wall 3 is repeated, when the extending stroke of the piston rod of the air cylinder 12 reaches the maximum, the piston rod of the air cylinder 12 retracts again, and the operation is circulated for multiple times until most of the hollow anchor cable 1 enters the drilled hole, and after the length of the hollow anchor cable 1 outside.
The utility model provides a high pressure rotary seal connects 2, anchor rope centre gripping rotary mechanism 14, the rotatory direction anchor clamps 19 of anchor rope, high-pressure clean water pump, mortar pump, cylinder 12, pneumatic cylinder 6 are current maturation technology, all can purchase on the market, and concrete structure is no longer repeated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. Anchor rope is from boring device based on water jet technique, its characterized in that: comprises an angle-adjustable drilling mechanism and a water jet generating device arranged at the rear side of the angle-adjustable drilling mechanism;
the angle-adjustable drilling mechanism comprises a hydraulic cylinder which is vertically arranged, a fixing support is arranged at the lower end of a cylinder body of the hydraulic cylinder, a positioning frame is arranged at the upper end of a piston rod of the hydraulic cylinder, a fixing shaft is horizontally arranged on the left side of the upper portion of the cylinder body of the hydraulic cylinder along the front and back directions, a rectangular frame is connected to the fixing shaft in a rotating mode, a slide way and an air cylinder are arranged on the rectangular frame along the front and back directions, a slide plate is arranged on the slide way in a sliding mode, an anchor cable clamping and rotating mechanism is arranged on the rear side of the slide way, the air cylinder is located below the slide way, the rear end of the air cylinder is hinged to the lower portion of the rear side of the rectangular frame, the front end of the air cylinder is connected with the bottom of the slide plate through a connecting seat, a vertical plate is fixedly arranged on the left side; the upper part of the rear side of the rectangular frame is provided with an anchor cable rotary guide clamp which corresponds to the front and the back of the anchor cable clamping rotary mechanism;
a hollow anchor cable is clamped between the anchor cable clamping and rotating mechanism and the anchor cable rotating and guiding clamp, a high-pressure spray head is arranged at the front end of the hollow anchor cable, and a water outlet of a water outlet pipe of the water jet generating device is connected with the rear end of the hollow anchor cable through a high-pressure rotating and sealing joint.
2. The anchor rope self-drilling device based on the water jet technology as claimed in claim 1, wherein: the riser is semi-circular structure, the straight line section limit of riser vertical setting and with the cylinder body fixed connection of pneumatic cylinder, the arc guide hole is located the rear side of pneumatic cylinder, the riser right flank is equipped with the angle scale along the length direction of arc guide hole, 0 scale of angle scale is located the mid point department of arc guide hole.
3. The anchor rope self-drilling device based on the water jet technology as claimed in claim 1, wherein: the water jet generating device comprises a water bucket or a mortar mixing bucket, a water pumping pipe, a water outlet pipe and a high-pressure clean water pump or a mortar pump, wherein the inlet of the water pumping pipe extends to the position below the liquid level of the water bucket or the mortar mixing bucket, the outlet of the water pumping pipe is connected with the inlet of the high-pressure clean water pump or the mortar pump, and the outlet of the high-pressure clean water pump or the mortar pump is connected with the inlet of the water outlet pipe.
4. The anchor line self-drilling device based on water jet technology as claimed in claim 1 or 2 or 3, characterized in that: high pressure nozzle includes shower nozzle body and adapter sleeve, the hole of adapter sleeve includes the first internal thread hole of front side and the second internal thread hole of rear side, the aperture in first internal thread hole is less than the aperture in second internal thread hole, the front end of cavity anchor rope stretches into and threaded connection is downthehole to the second internal thread, shower nozzle body excircle is provided with the external screw thread, the excircle of shower nozzle body stretches into and threaded connection is downthehole at first internal thread, this internal front side of shower nozzle is equipped with the jet orifice of two centrosymmetries, the hole of crossing that corresponds with the centre bore of cavity anchor rope is seted up in the inside rear side center department of shower nozzle body, the connecting hole that radially seted up is passed through to the rear end of two jet orifices and is crossed the water hole intercommunication, interior hexagonal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020789824.2U CN212389263U (en) | 2020-05-13 | 2020-05-13 | Anchor cable self-drilling device based on water jet technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020789824.2U CN212389263U (en) | 2020-05-13 | 2020-05-13 | Anchor cable self-drilling device based on water jet technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021228004A1 (en) * | 2020-05-13 | 2021-11-18 | 河南理工大学 | Water jet technology-based anchor cable self-drilling and rapid anchoring construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021228004A1 (en) * | 2020-05-13 | 2021-11-18 | 河南理工大学 | Water jet technology-based anchor cable self-drilling and rapid anchoring construction method |
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