CN214303877U - High-pressure water jet anchor-breaking and anchor-withdrawing equipment - Google Patents
High-pressure water jet anchor-breaking and anchor-withdrawing equipment Download PDFInfo
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- CN214303877U CN214303877U CN202023027912.8U CN202023027912U CN214303877U CN 214303877 U CN214303877 U CN 214303877U CN 202023027912 U CN202023027912 U CN 202023027912U CN 214303877 U CN214303877 U CN 214303877U
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Abstract
The utility model discloses a high pressure water jet hydrolysis anchor moves back anchor equipment, including the empty core rod of the high pressure resistant of sectional type, superhigh pressure clean water pump, superhigh pressure hose, monomer hydraulic prop and tray, the empty core rod outside end fixed mounting of the high pressure resistant of sectional type is on the tray, the water inlet of the empty core rod of the high pressure resistant of sectional type is connected with the superhigh pressure hose, the other end and the superhigh pressure clean water pump of superhigh pressure hose are connected, be provided with high pressure nozzle on the empty core rod of the high pressure resistant of sectional type. The utility model discloses thereby the novelty provide with the whole method of taking out the anchor rope of the coal body of high pressure water jet cutting anchor rope anchor section, thereby designed one set of high pressure water jet that cooperates this method to use simultaneously and moved back anchor device, realized the coal body of high pressure water jet cutting anchor rope anchor section through setting up the high pressure resistant hollow pole of sectional type, superhigh pressure clean water pump, superhigh pressure hose, monomer hydraulic prop and tray to convenient and fast takes out the anchor rope, successfully solved the tradition and got the potential safety hazard that the anchor rope brought.
Description
Technical Field
The utility model relates to a coal mining equipment technical field specifically is a high pressure water jet flows to separate anchor and moves back anchor equipment.
Background
The anchor rod is the most basic component of the tunnel support in the current coal mine, the anchor rod consolidates the surrounding rocks of the tunnel together to support the surrounding rocks, the anchor rod is not only used for mines, but also used in engineering technology to carry out main body reinforcement on side slopes, tunnels and dam bodies, the anchor rod is used as a tension member deep into the stratum, one end of the anchor rod is connected with an engineering structure, the other end of the anchor rod is deep into the stratum, the whole anchor rod is divided into a free section and an anchoring section, the free section is a region for transmitting the tension force at the head of the anchor rod to the anchoring body, the function is to apply prestress on the anchor rod, the anchor rod withdrawing device is a special machine for withdrawing the anchor rod under the coal mine, the anchor rod is mainly used for releasing and withdrawing the anchor rod of the roof stress of the coal mine tunnel, the existing high-pressure water jet withdrawing anchor device can only cut the exposed anchor rod and a lock, the anchor rod cannot be completely withdrawn, the anchor rod in the coal mine can become a great safety hazard when the coal pillar is withdrawn, when the anchor withdrawing device is used for withdrawing the anchor, the anchor cable is broken due to overlarge anchor withdrawing force, and the anchor cable cannot be withdrawn completely.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect among the prior art, the embodiment of the utility model provides a high pressure water jet disanchoring moves back anchor equipment solves the problem of proposing among the above-mentioned background art.
The utility model discloses a: a high-pressure water jet anchor-disassembling and anchor-disassembling device comprises a sectional high-pressure resistant hollow rod, an ultrahigh-pressure clean water pump, an ultrahigh-pressure hose, a single hydraulic prop and a tray, the tray is provided with a mounting rack, the outer side end of the sectional type high-pressure resistant hollow rod is fixedly mounted on the mounting rack on the tray, the single hydraulic prop is arranged below the tray, the bottom of the sectional type high-pressure resistant hollow rod is fixedly connected to the ground, the top of the piston rod is supported on the lower bottom surface of the tray, the water inlet of the sectional type high-pressure resistant hollow rod is connected with an ultrahigh pressure hose, the other end of the ultrahigh pressure hose is connected with an ultrahigh pressure clean water pump, hollow rod mounting holes parallel to the anchor section of the anchor cable are drilled on the coal body, the sectional type high-pressure resistant hollow rod is arranged in the hollow rod mounting hole, the one end that the water inlet was kept away from to the hollow pole of resistant high pressure of sectional type is provided with a plurality of high pressure nozzle, and high pressure nozzle towards the anchor rope.
Preferably, the high-pressure nozzle is a sector nozzle, and the sprayed water flow is in a sector shape perpendicular to the axial direction of the sectional high-pressure resistant hollow rod.
Preferably, the sectional type high-pressure resistant hollow rods are assembled in a sectional mode, the two hollow rods are connected in a buckling mode, and sealing gaskets are arranged at the connecting positions of the two hollow rods.
Preferably, the outer side surface of the sectional type high-pressure resistant hollow rod is provided with threads.
Preferably, the sectional type high-pressure resistant hollow rod is installed in a hollow rod installation hole, and the hollow rod installation hole is parallel to an anchor cable needing to be anchored and is consistent in depth in a coal body along the length direction.
Preferably, the anchor cable comprises an anchoring section anchored in the coal body, a non-anchoring section located in the anchor cable hole and a free section located outside the anchor cable hole, a resin anchoring agent is arranged on the outer side of the anchoring section, an anchor cable fixing frame is fixedly installed at the joint of the non-anchoring section and the free section, a lock is further installed on the anchor cable on the outer side of the anchor cable fixing frame, and the anchor cable fixing frame is fixedly locked on the coal body through the lock.
The utility model has the advantages as follows: the utility model discloses thereby the novelty provide with the whole method of taking out the anchor rope of the coal body of high pressure water jet cutting anchor rope anchor section, thereby designed one set of high pressure water jet that cooperates this method to use simultaneously and moved back anchor device, realized the coal body of high pressure water jet cutting anchor rope anchor section through setting up the high pressure resistant hollow pole of sectional type, superhigh pressure clean water pump, superhigh pressure hose, monomer hydraulic prop and tray to convenient and fast takes out the anchor rope, successfully solved the tradition and got the potential safety hazard that the anchor rope brought.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the apparatus of the present invention;
FIG. 2 is a schematic sectional view of the installation position of the device of the present invention;
FIG. 3 is a schematic view of the cross-sectional view of the cutting operation of the apparatus of the present invention;
FIG. 4 is a sectional view showing the installation position relationship of the apparatus of the present invention;
fig. 5 is a schematic cross-sectional view of the cutting operation of the device of the present invention.
Reference numerals of the above figures: the high-pressure resistant hollow rod 10 of sectional type, high-pressure nozzle 11, water cutting gap 12, superhigh pressure clean water pump 20, superhigh pressure hose 30, hydraulic prop 40, tray 50, hollow rod mounting hole 60, anchor rope 70, anchor section 71, non-anchor section 72, free section 73, resin anchoring agent 74, anchor rope mount 75, tool to lock 76, coal body 80.
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.
Referring to fig. 1-3, a high pressure water jet grouting, anchoring and withdrawal device comprises a sectional type high pressure resistant hollow rod 10, an ultrahigh pressure clean water pump 20, an ultrahigh pressure hose 30, a single hydraulic prop 40 and a tray 50, wherein a mounting rack (no reference numeral is drawn in the drawing) is arranged on the tray 50, the outer side end of the sectional type high pressure resistant hollow rod 10 is fixedly mounted on the mounting rack on the tray 50, the single hydraulic prop 40 is arranged below the tray 50 and used for supporting and propping against the tray 50, the hydraulic prop 40 extends and retracts up and down to meet the supporting requirements of various heights of the tray 50, a water inlet of the sectional type high pressure resistant hollow rod 10 is connected with the ultrahigh pressure hose 30, the other end of the ultrahigh pressure hose 30 is connected with the ultrahigh pressure clean water pump 20, the ultrahigh pressure clean water pump 20 provides high pressure water flow, the high pressure water flow is conveyed into the sectional type high pressure resistant hollow rod 10 through the ultrahigh pressure hose 30, and a hollow rod mounting hole 60 parallel to an anchoring section is punched on a coal anchor rope 80, the sectional type high-pressure-resistant hollow rod 10 is arranged in the hollow rod mounting hole 60, one end, far away from the water inlet, of the sectional type high-pressure-resistant hollow rod 10 is provided with a plurality of high-pressure nozzles 11, the high-pressure nozzles 11 face the anchor rope, ultrahigh-pressure water flow is emitted from the high-pressure nozzles 11 and cuts coal bodies 80 of anchor sections of the anchor rope, water cutting gaps 12 are formed in the coal bodies 80, the coal bodies 80 of the anchor sections are cut into a plurality of small separated blocks, and therefore the anchor withdrawing device can be conveniently taken out of the anchor rope.
Further, referring to fig. 5, the high pressure nozzle 11 is a sector nozzle, and the water jet is in a sector shape perpendicular to the axial direction of the sectional type high pressure resistant hollow rod 10.
Further, the sectional type high-pressure resistant hollow rods 10 are assembled in a sectional mode, the two hollow rods are connected in a buckling mode, and sealing gaskets are arranged at the connection positions to prevent water leakage.
Furthermore, the outer side surface of the sectional type high-pressure resistant hollow rod 10 is provided with threads, and the thread structure can prevent coal cinder from blocking the high-pressure nozzle 11 to cause high-pressure water flow cutoff and influence the normal work of the equipment.
Further, referring to fig. 4, the segmented high pressure resistant hollow rod 10 is installed in a hollow rod installation hole 60, and the hollow rod installation hole 60 is parallel to an anchor cable 70 requiring withdrawal of an anchor and has a uniform depth in a coal body along a length direction.
Further, the anchor cable 70 includes an anchoring section 71 anchored in the coal body 80, a non-anchoring section 72 located in the anchor cable hole, and a free section 73 located outside the anchor cable hole, a resin anchoring agent 74 is provided outside the anchoring section 71 to increase anchoring strength, an anchor cable fixing frame 75 is fixedly installed at a joint of the non-anchoring section 72 and the free section 73, a lock 76 is further installed on the anchor cable outside the anchor cable fixing frame 75, and the anchor cable fixing frame 75 is fixedly locked on the coal body through the lock 76 to play a role in fixing and pre-tightening the anchor cable.
The working principle is as follows: when the coal mine anchor rod withdrawing device works, a hollow rod mounting hole 60 which is parallel to the anchor cable hole and has the same length with the anchor cable hole is drilled on the coal body beside the anchor cable to be withdrawn; testing the anchoring length by using an anchoring quality detector, and comprehensively determining the initial position of the anchoring section of the anchor cable by matching with the length of the resin anchoring agent recorded and used before; assembling the designed sectional pressure-resistant hollow rod 10 to enable the position of a high-pressure nozzle 11 to be located at the determined initial position of the anchoring section; starting the ultrahigh-pressure clean water pump 20 to cut the coal body, so that the cutting radius of the coal body is more than twice of the distance between the hollow rod mounting hole 60 and the anchor cable hole, and a water cutting gap 12 is formed, and meanwhile, the anchor cable is completely reserved because the water jet cutting force is not enough to cut the anchor cable; the previous action process is continuously repeated at a position ten centimeters behind the previous cutting position for cutting until the sectional type pressure-resistant hollow rod 10 reaches the front end of the drill hole and cannot continuously advance, so that the coal body at the anchoring section is cut into a plurality of small separated blocks, and the stress capacity of the coal body at the anchoring section is greatly reduced; and finally, using an anchor withdrawing device to withdraw the anchor.
The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (6)
1. The utility model provides a high pressure water jet flows to separate anchor and moves back anchor equipment, includes hollow pole of the high pressure resistant of sectional type, superhigh pressure clean water pump, superhigh pressure hose, hydraulic prop and tray, its characterized in that: be provided with the mounting bracket on the tray, the hollow pole outside end fixed mounting of high pressure resistant of sectional type is on the mounting bracket on the tray, hydraulic prop sets up in the tray below, and bottom fixed connection subaerial, and the bottom surface under the piston rod top supports in the tray, the hollow pole's of high pressure resistant of sectional type water inlet is connected with the super high pressure hose, the other end and the super high pressure clean water pump of super high pressure hose are connected, have beaten the hollow pole mounting hole that is on a parallel with anchor rope anchor section on the coal body, the hollow pole setting of high pressure resistant of sectional type is in hollow pole mounting hole, the one end that the water inlet was kept away from to the hollow pole of high pressure resistant of sectional type is provided with a plurality of high pressure spray nozzles, and high pressure spray nozzle towards the anchor rope.
2. The high-pressure water jet grouting anchor withdrawing device as claimed in claim 1, wherein: the high-pressure nozzle adopts a sector nozzle, and the sprayed water flow is in a sector shape vertical to the axial direction of the sectional high-pressure resistant hollow rod.
3. The high-pressure water jet grouting anchor withdrawing device as claimed in claim 1, wherein: the sectional type high-pressure resistant hollow rods are assembled in a sectional mode, the two hollow rods are connected in a buckling mode, and a sealing gasket is arranged at the joint.
4. The high-pressure water jet grouting anchor withdrawing device as claimed in claim 1, wherein: and the outer side surface of the sectional type high-pressure resistant hollow rod is provided with threads.
5. The high-pressure water jet grouting anchor withdrawing device as claimed in claim 1, wherein: the sectional type high-pressure-resistant hollow rod is arranged in the hollow rod mounting hole, and the hollow rod mounting hole is parallel to an anchor rope needing to be anchored and is consistent in depth in a coal body along the length direction.
6. The high-pressure water jet grouting anchor withdrawing device as claimed in claim 5, wherein: the anchor rope is including the anchor section of anchoring in the coal body and being located the downthehole non-anchor section of anchor rope and being located the anchor rope hole outside the free section, the outside of anchor section is provided with the resin anchoring agent, non-anchor section and free section handing-over department fixed mounting have the anchor rope mount, still install the tool to lock on the anchor rope in the anchor rope mount outside, the anchor rope mount passes through the fixed locking of tool to lock on the coal body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023027912.8U CN214303877U (en) | 2020-12-16 | 2020-12-16 | High-pressure water jet anchor-breaking and anchor-withdrawing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023027912.8U CN214303877U (en) | 2020-12-16 | 2020-12-16 | High-pressure water jet anchor-breaking and anchor-withdrawing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214303877U true CN214303877U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023027912.8U Active CN214303877U (en) | 2020-12-16 | 2020-12-16 | High-pressure water jet anchor-breaking and anchor-withdrawing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214303877U (en) |
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2020
- 2020-12-16 CN CN202023027912.8U patent/CN214303877U/en active Active
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