CN205063815U - Pneumatic jumbolter - Google Patents
Pneumatic jumbolter Download PDFInfo
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- CN205063815U CN205063815U CN201520269308.6U CN201520269308U CN205063815U CN 205063815 U CN205063815 U CN 205063815U CN 201520269308 U CN201520269308 U CN 201520269308U CN 205063815 U CN205063815 U CN 205063815U
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Abstract
The utility model provides a pneumatic jumbolter, include: spindle unit, be provided with the main shaft in the spindle unit, pneumatic motor, pneumatic motor with spindle unit passes through the gear train linkage, the vibratory impulse subassembly, the vibratory impulse subassembly with spindle unit connects, is used for doing spindle unit transmits the vibration, the utility model discloses a rotary motion that pneumatic jumbolter not only can go on can also carry out shock motion and vibration rotary motion, makes it have rotary drilling function, assaults rock drilling function and vibration cutting power ability, can the different geology circumstances of needle reply select for use different functions to construct in the production of colliery, can improve the drilling speed of mine effectively, and then the productivity ratio in improvement colliery.
Description
Technical field
The utility model relates to mining machinery field, more specifically, relates to a kind of pneumatic roof bolter.
Background technology
When at present drilling construction being carried out for the dirt band often run in coal mine and hard rock, mainly still holed by pneumatic roof bolter, efficient and rational solution.Roof-bolter incompetent bed and coal seam construction in be carbide drill, when running into dirt band, workman only has two kinds of selections: one is continuation carbide drill grinding hard rock, because conventional pneumatic jumbolter can only carry out rotary drilling campaign, so efficiency of construction is extremely low, a large amount of bit damage can be caused; Another kind is that the very high PDC composite drill bit grinding boring of price used instead by back off rig and drilling rod, and this form of construction work improves construction cost, reduces the efficiency of drilling construction.
Therefore, propose a kind of scheme can carrying out the pneumatic roof bolter of multiple drilling motion and just seem very necessary.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art.
For this reason, the purpose of this utility model is, provides a kind of pneumatic roof bolter.
For achieving the above object, the embodiment providing first aspect according to the utility model provides a kind of pneumatic roof bolter, comprising: spindle assemblies, is provided with main shaft in described spindle assemblies; Air motor, described air motor and described spindle assemblies are linked by gear train; Vibratory impulse assembly, described vibratory impulse assembly is connected with described spindle assemblies, for being described spindle assemblies transmission vibration;
Wherein, described vibratory impulse assembly comprises: cylinder, and the two ends of described cylinder are respectively first end and the second end, and the first end of described cylinder is equipped with cylinder end piece, and the second end of described cylinder is equipped with air inlet disk; The mounted inside of described cylinder has piston, and the two ends of described piston are respectively piston plate and piston rod, and described piston plate is just to described air inlet disk, and described piston rod stretches out described cylinder end piece; When described piston rod reaches ad-hoc location, described piston rod strikes described main shaft;
Servo valve, the two ends of described servo valve are respectively openend and cecum, and the openend of described servo valve is connected to described air inlet disk; The mounted inside of described servo valve has servo-actuated spool; The side of described air inlet disk is provided with projection, and described servo valve core retainer plate is contained on described projection;
Wherein, the cecum of described servo valve is connected with and connects gas port, described in connect gas port and be connected to described air inlet disk, described in connect gas port access gases at high pressure after, gases at high pressure enter piston described in air cylinder driven to described main shaft transmitting vibrations from air inlet disk.
According to the pneumatic roof bolter of embodiment of the present utility model, air motor is rotated by gear set drive spindle assemblies, for pneumatic roof bolter provides rotary motion, piston moves back and forth in cylinder, when piston rod moves to the first end of cylinder at every turn, piston rod clashes into the main shaft in spindle assemblies, for the main shaft in rotating provides vibration, the motion of the movement position moment of piston in cylinder to the servo-actuated spool in servo valve has an impact, simultaneously, the movement position of servo-actuated spool in the servo valve also motion of moment to the piston in cylinder has an impact, ensure when source of the gas abundance, piston is continual reciprocation in cylinder, piston rod is to main shaft transmitting vibrations constantly, pneumatic roof bolter of the present utility model is made to be provided with the function of vibration, be simultaneously air motor and cylinder air feed time, pneumatic roof bolter can carry out vibrocutting campaign, when being only cylinder air feed, pneumatic roof bolter of the present utility model can carry out impact drilling, pneumatic roof bolter of the present utility model can be tackled different geological conditions and selects different functions to construct by pin in coal production, effectively can improve the rate of penetration of mine, and then improve the productivity ratio in colliery.
In addition, the pneumatic roof bolter provided according to the utility model above-described embodiment also has following additional technical feature:
According to an embodiment of the present utility model, when described piston movement is extremely when the position of the first end of described cylinder, described servo-actuated spool starts to move to the openend of described servo valve, when described servo-actuated spool moves to the openend of described servo valve, described piston starts the second end motion to described cylinder, when described piston movement is extremely when the position of the second end of described cylinder, described servo-actuated spool starts to move to the cecum of described servo valve, when described servo-actuated spool moves to the cecum of described servo valve, described piston starts again to move to the first end of described cylinder, when described piston moves to again the position near the first end of described cylinder, described servo-actuated spool starts again to move to the openend of described servo valve, the motion of the described servo-actuated spool in the motion of the described piston in described cylinder and described servo valve forms the motion control chain of a closed loop, described piston rod is moved back and forth in described cylinder, and then make described piston rod clash into described main shaft continuously, for described main shaft transmitting vibrations.
According to the pneumatic roof bolter of embodiment of the present utility model, by influencing each other of the motion between the servo-actuated spool in the piston in cylinder and servo valve, make the motion control chain forming a closed loop between cylinder and servo valve, order about piston to move back and forth in the cylinder, the piston rod of piston constantly clashes into main shaft, for main shaft transmitting vibrations, other modes are not needed to control cylinder and piston, gases at high pressure are only needed to continue to drive cylinder and servo valve can form the vibratory impulse effect of this pneumatic roof bolter of the present utility model, , it is simple and reliable for structure, be applicable to using in the presence of a harsh environment.
According to an embodiment of the present utility model, described air inlet disk is provided with the first pore and the second pore, described first pore leads to the sidewall of the described projection of the opposite side of described air inlet disk from the side of described air inlet disk; Described second pore is positioned at the end of described projection, described first pore leads to the sidewall of the described projection of the opposite side of described air inlet disk from the side of described air inlet disk, the inside wall on described cylinder between described air inlet disk and described cylinder end piece is arranged at intervals with successively the 3rd pore, the 4th pore, the 5th pore and the 6th pore;
The edge of the cecum of described servo valve is provided with the 7th pore, and described 7th pore is communicated to inside the edge of the openend of described servo valve, and the middle part of the inner side of described servo valve is provided with the 8th pore, and described 8th pore is communicated with described 6th pore; The end of the inner side of described servo valve is provided with the 9th pore, and described 9th pore is communicated with described 3rd pore, and described 4th pore is communicated with air, and described 5th pore is communicated with described second pore;
The lateral wall of described servo-actuated spool is provided with cannelure, and described cannelure is communicated with described 8th pore; When described servo-actuated spool slides into position, openend in described servo valve, the sidewall of the end of described servo-actuated spool blocks described first pore, and described cannelure is communicated with described 7th pore and described 8th pore.
According to the pneumatic roof bolter of embodiment of the present utility model, 3rd pore is near the second end of cylinder, 4th pore is positioned at the centre position of cylinder, the 6th pore near the first end of cylinder, the region of the 5th pore between described 4th pore and described 6th pore.During ventilation, servo-actuated spool is positioned at the cecum of servo valve, 7th pore is communicated with the first pore, pressure-air enters in cylinder through the 7th pore and the first pore, piston is moved to first end by the second end of cylinder under the promotion of pressure-air, when piston plate is through the 3rd pore, pressure-air enters the 9th pore from the 3rd pore, makes the trend moved in the openend of the oriented servo valve of servo-actuated spool.
When piston plate is through the 4th pore, pressure-air is discharged from the 4th pore, air pressure between piston plate and air inlet disk declines suddenly, servo-actuated spool moves to the openend of servo valve under the pressure of the residual high pressure air at the 9th pore place, now, the sidewall of the end of servo-actuated spool blocks the first pore, the cannelure of the lateral wall of servo-actuated spool is communicated with the 7th pore and the 8th pore, simultaneously, because the 8th pore itself is communicated with the 6th pore, namely be equivalent to the 7th pore to be communicated with the 6th pore, pressure-air now starts to enter the region between piston plate in cylinder and cylinder end piece, start to promote the first end of piston from cylinder to the second end motion.
When piston plate is through the 5th pore, pressure-air enters the second pore from the 5th pore, makes the trend that the cecum of the oriented servo valve of servo-actuated spool moves.
When piston plate is through the 4th pore, pressure-air is discharged from the 4th pore, air pressure between piston plate and cylinder end piece declines suddenly, servo-actuated spool moves to the cecum of servo valve under the pressure of the residual high pressure air at the second pore place, now, the sidewall of the end of servo-actuated spool leaves the first pore, cannelure isolation the 7th pore of the lateral wall of servo-actuated spool and the 8th pore, pressure-air now starts to enter the region between piston plate in cylinder and air inlet disk, starts to promote piston and moves to first end from the second end of cylinder.Pneumatic roof bolter of the present utility model orders about piston automatic reciprocating shuttling movement in cylinder by above pneumatic structure, owing to which employs full mechanical, other electronic devices and components are not needed to control, decrease the utilization to electric power in mine, improve the safety and reliability of pneumatic roof bolter of the present utility model, also reduce cost of production simultaneously.
According to an embodiment of the present utility model, described spindle assemblies comprises: support, and described support is connected with the first end of described cylinder; Drive socket, described drive socket is assemblied in described support, the two ends of described drive socket are respectively interlock end and link, interlock end and the described air motor of described drive socket link, the port of the interlock end of described drive socket is just to described piston rod, and the link of described drive socket is provided with splined hole; Main shaft, the end of described main shaft is provided with spline, and the end of described main shaft is assemblied in described splined hole, described main shaft can in described splined hole axial float, described main shaft is set with water jacket, described water jacket is provided with water inlet.
According to the pneumatic roof bolter of embodiment of the present utility model, the port of the interlock end of drive socket is just to piston rod, main shaft can in splined hole axial float, piston rod can be clashed into the main shaft in rotation, and then make main shaft transmitting vibrations in rotation, achieve impact drilling function and the vibrocutting function of pneumatic roof bolter of the present utility model, improve the rate of penetration of mine, and then improve the productivity ratio in colliery.
According to an embodiment of the present utility model, the inner side of the end of described servo valve is provided with groove, and described 9th pore is communicated to described groove.
According to the pneumatic roof bolter of embodiment of the present utility model, the inner side of the end of servo valve is provided with groove, when servo-actuated spool moves to the cecum of described servo valve, inside grooves can hold certain gases at high pressure, ensure that servo-actuated spool at described piston plate through the 4th pore, servo-actuated spool can be pushed to the openend of servo valve by the gases at high pressure of inside grooves remnants.Above structure ensure that the reliability of the motion of pneumatic roof bolter of the present utility model.
According to an embodiment of the present utility model, described 7th pore axially extends in the sidewall of described servo valve.
According to the pneumatic roof bolter of embodiment of the present utility model, 7th pore is arranged in the sidewall of servo valve, avoid the utilization of external pipeline, reduce the volume of vibratory impulse assembly, ensure that the close structure of the vibratory impulse assembly of pneumatic roof bolter is reliable, improve the quality of pneumatic roof bolter of the present utility model.
According to an embodiment of the present utility model, described air inlet disk and described servo valve are assemblied in the inner side of the second end of described cylinder, and the lateral wall of described servo valve contacts with the inside wall of described cylinder.
According to the pneumatic roof bolter of embodiment of the present utility model, air inlet disk and servo valve are assemblied in the inner side of the second end of cylinder, the lateral wall of servo valve contacts with the inside wall of cylinder, make servo valve, syndeton between air inlet disk and cylinder tightly short reliable, decrease the use of other auxiliary fixing member and outer connecting connector, reduce the cost of production of pneumatic roof bolter of the present utility model, ensure that reliability and the durability of pneumatic roof bolter of the present utility model.
According to an embodiment of the present utility model, the inside wall of described cylinder is provided with the first airway, the two ends of described first airway are communicated with described 9th pore with described 3rd pore respectively, the inside wall of described cylinder is provided with the second airway, and the two ends of described second airway are communicated with described 8th pore with described 6th pore respectively.
According to the pneumatic roof bolter of embodiment of the present utility model, 3rd pore is communicated with by the first airway with the 9th pore, 6th pore is communicated with by the second airway with the 8th pore, first airway and the second airway are all arranged on the inside wall of cylinder, above structure avoids the use to external pipeline, reduce the volume of vibratory impulse assembly, ensure that the vibratory impulse modular construction of pneumatic roof bolter is closely reliable, improve the quality of pneumatic roof bolter of the present utility model.
According to an embodiment of the present utility model, also comprise: valve seat, be provided with the 3rd airway and the 4th airway in described valve seat, described valve seat be equipped with vibratory impulse assembly, air motor and Pneumatic outrigger; Described 3rd airway with connect gas port described in described vibratory impulse assembly and be communicated with, described 4th airway is communicated with the air inlet port of described Pneumatic outrigger; Control valve assembly, one end of described control valve assembly is hinged on described valve seat, and described control valve assembly comprises: support leg valve, and described support leg valve is communicated to described 4th airway; Motor valve, described motor valve is communicated to the air inlet port of described air motor; Water valve, described water valve is communicated to the water inlet on described water jacket; Vibrating valve, described vibrating valve is connected to described 3rd airway; Aqueous vapor control valve, described aqueous vapor control valve is connected with described water valve and described vibrating valve respectively, for controlling the opening and closing of described water valve and described vibrating valve; Total air inlet port, described total air inlet port is communicated to described support leg valve, described motor valve and described vibrating valve respectively, for providing gases at high pressure; Total water inlet, described total water inlet is communicated to described water valve, for providing cooling water for the drill bit of described pneumatic roof bolter.
According to the pneumatic roof bolter of embodiment of the present utility model, control valve assembly includes support leg valve, motor valve, water valve, vibrating valve and aqueous vapor control valve, the flexible of the supporting leg of pneumatic roof bolter of the present utility model can be controlled by opening and closing support leg valve, the operation of air motor can be controlled by opening and closing motor valve, by can the circulation of controlled cooling model water to the opening and closing of water valve, by can adjust the motion state of pneumatic roof bolter of the present utility model to the opening and closing of vibrating valve, wherein, aqueous vapor control valve can control the opening and closing of water valve and vibrating valve, by controlling the combination of each valve above, pneumatic roof bolter of the present utility model can be made to carry out various motion state, adapt to working conditions different in mine, ensure that compliance and the practicality of pneumatic roof bolter of the present utility model.
According to an embodiment of the present utility model, described control valve assembly also comprises control lever, described control lever is provided with motor valve spanner, support leg valve button and aqueous vapor control valve knob, described motor valve spanner is for controlling the opening and closing of described motor valve, described support leg valve button is for controlling the opening and closing of described support leg valve, described aqueous vapor control valve knob for controlling the state of described aqueous vapor control valve, and then controls the opening and closing of described water valve and described vibrating valve.
According to the rig of embodiment of the present utility model, control lever is provided with motor valve spanner, support leg valve button and aqueous vapor control valve knob, producers can be manipulated pneumatic roof bolter of the present utility model easily, easily the duty of pneumatic roof bolter of the present utility model is adjusted at any time for different operating situation, facilitate the use of producers, and then improve construction speed and productivity ratio.
Provide in description part below according to additional aspect of the present utility model and advantage, part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 to Fig. 3 is the complete section structural representation under the motion state of pneumatic roof bolter according to a kind of embodiment of the present utility model;
The pneumatic roof bolter of the motion state of Fig. 4 and Fig. 5 and then in Fig. 1 to Fig. 3 overlook complete section structural representation;
Fig. 6 is the structural representation of the control valve assembly of pneumatic roof bolter according to a kind of embodiment of the present utility model;
Fig. 7 is the left view of Fig. 6;
Fig. 8 is the sectional view at the A-A place of Fig. 6.
Wherein, the corresponding relation in Fig. 1 to Fig. 8 between Reference numeral and component names is:
1 air motor, 2 drive sockets, 3 main shafts, 4 water jackets, 401 water inlets, 5 cylinders, 501 the 4th pores, 502 the 3rd pores, 503 the 6th pores, 504 the 5th pores, 6 cylinder end pieces, 7 air inlet disks, 701 projections, 702 first pores, 8 servo valves, 801 the 9th pores, 802 the 8th pores, 803 the 7th pores, 9 connect gas port, 10 servo-actuated spools, 110 cannelures, 11 pistons, 111 piston rods, 112 piston plates, 12 supports, 13 support leg valves, 14 motor valves, 15 water valves, 16 vibrating valves, 17 aqueous vapor control valves, 18 total air inlet ports, 19 total water inlets, 20 control levers, 21 motor valve spanners, 22 support leg valve buttons, 23 aqueous vapor control valve knobs.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from mode described here to implement, and therefore, protection domain of the present utility model is not by the restriction of following public specific embodiment.
As shown in Figures 1 to 5, provide a kind of pneumatic roof bolter according to the utility model first aspect embodiment, comprising: spindle assemblies, in described spindle assemblies, include main shaft 3; Air motor 1, described air motor 1 is linked by gear train with described spindle assemblies; Vibratory impulse assembly, described vibratory impulse assembly is connected with described spindle assemblies, for being described spindle assemblies transmission vibration;
Wherein, described vibratory impulse assembly comprises: cylinder 5, and the two ends of described cylinder 5 are respectively first end and the second end, and the first end of described cylinder 5 is equipped with cylinder end piece 6, and the second end of described cylinder 5 is equipped with air inlet disk 7; The mounted inside of described cylinder 5 has piston 11, and the two ends of described piston 11 are respectively piston plate 112 and piston rod 111, and described piston plate 112 is near described air inlet disk 7, and described piston rod 111 stretches out described cylinder end piece 6; When described piston rod 111 reaches ad-hoc location, described piston rod 111 strikes described main shaft 3;
Servo valve 8, the two ends of described servo valve 8 are respectively openend and cecum, and the openend of described servo valve 8 is connected to described air inlet disk 7; The mounted inside of described servo valve 8 has servo-actuated spool 10; The side of described air inlet disk 7 is provided with projection 701, and described servo valve core retainer plate is contained on described projection 701;
Wherein, the cecum of described servo valve 8 is connected with and connects gas port 9, described in connect gas port 9 and be connected to described air inlet disk 7, described in connect after gas port 9 accesses gases at high pressure, gases at high pressure enter cylinder 5 from air inlet disk 7 and drive described piston 11 to described main shaft 3 transmitting vibrations.
According to the pneumatic roof bolter of embodiment of the present utility model, air motor 1 is rotated by gear set drive spindle assemblies, for pneumatic roof bolter provides rotary motion, piston 11 moves back and forth in cylinder 5, when piston rod 111 moves to the first end of cylinder 5 at every turn, piston rod 111 clashes into the main shaft 3 in spindle assemblies, for the main shaft 3 in rotating provides vibration, the motion of the movement position moment of piston 11 in cylinder 5 to the servo-actuated spool 10 in servo valve 8 has an impact, simultaneously, the movement position of servo-actuated spool 10 in the servo valve 8 also motion of moment to the piston 11 in cylinder 5 has an impact, ensure when source of the gas abundance, piston 11 is continual reciprocation in cylinder 5, piston rod 111 pairs of main shafts 3 transmitting vibrations constantly, pneumatic roof bolter of the present utility model is made to be provided with the function of vibration, be simultaneously air motor 1 and cylinder 5 air feed time, pneumatic roof bolter can carry out vibrocutting campaign, when being only cylinder 5 air feed, pneumatic roof bolter of the present utility model can carry out impact drilling, pneumatic roof bolter of the present utility model can be tackled different geological conditions and selects different functions to construct by pin in coal production, effectively can improve the rate of penetration of mine, and then improve the productivity ratio in colliery.
In addition, the pneumatic roof bolter provided according to the utility model above-described embodiment also has following additional technical feature:
As shown in Figures 1 to 5, according to an embodiment of the present utility model, when described piston 11 moves to the position near the first end of described cylinder 5, described servo-actuated spool 10 starts to move to the openend of described servo valve 8, when described servo-actuated spool 10 moves to the openend of described servo valve 8, described piston 11 starts the second end motion to described cylinder 5, when described piston 11 moves to the position near the second end of described cylinder 5, described servo-actuated spool 10 starts to move to the cecum of described servo valve 8, when described servo-actuated spool 10 moves to the cecum of described servo valve 8, described piston 11 starts again to move to the first end of described cylinder 5, when described piston 11 moves to again the position near the first end of described cylinder 5, described servo-actuated spool 10 starts again to move to the openend of described servo valve 8, the motion of the described servo-actuated spool 10 in the motion of the described piston 11 in described cylinder 5 and described servo valve 8 forms the motion control chain of a closed loop, described piston rod 111 is moved back and forth in described cylinder 5, and then make described piston rod 111 clash into described main shaft 3 continuously, for described main shaft 3 transmitting vibrations.
According to the pneumatic roof bolter of embodiment of the present utility model, by influencing each other of the motion between the piston 11 in cylinder 5 and the servo-actuated spool 10 in servo valve 8, make the motion control chain forming a closed loop between cylinder 5 and servo valve 8, order about piston 11 to move back and forth in cylinder 5, piston rod 111 pairs of main shafts 3 of piston 11 constantly clash into, for main shaft 3 transmitting vibrations, other modes are not needed to control cylinder 5 and piston 11, only need gases at high pressure to continue to enter vibratory impulse effect that cylinder 5 and servo valve 8 can form this pneumatic roof bolter of the present utility model, it is simple and reliable for structure, be applicable to using in the presence of a harsh environment.
As shown in Figures 1 to 5, according to an embodiment of the present utility model, described air inlet disk 7 is provided with the first pore 702 and the second pore, described first pore 702 leads to the sidewall of the described projection 701 of the opposite side of described air inlet disk 7 from the side of described air inlet disk 7; Described second pore is positioned at the end of described projection 701, described first pore 702 leads to the sidewall of the described projection 701 of the opposite side of described air inlet disk 7 from the side of described air inlet disk 7, the inside wall on described cylinder 5 between described air inlet disk 7 and described cylinder end piece 6 is arranged at intervals with successively the 3rd pore 502, the 4th pore 501, the 5th pore 504 and the 6th pore 503;
The edge of the cecum of described servo valve 8 is provided with the 7th pore 803, described 7th pore 803 is communicated to inside the edge of the openend of described servo valve 8, the middle part of the inner side of described servo valve 8 is provided with the 8th pore 802, and described 8th pore 802 is communicated with described 6th pore 503; The end of the inner side of described servo valve 8 is provided with the 9th pore 801, and described 9th pore 801 is communicated with described 3rd pore 502, and described 4th pore 501 is communicated with air, and described 5th pore 504 is communicated with described second pore;
The lateral wall of described servo-actuated spool 10 is provided with cannelure 110, and described cannelure 110 is communicated with described 8th pore 802; When described servo-actuated spool 10 slides into position, openend in described servo valve 8, the sidewall of the end of described servo-actuated spool 10 blocks described first pore 702, and described cannelure 110 is communicated with described 7th pore 803 and described 8th pore 802.
According to the pneumatic roof bolter of embodiment of the present utility model, 3rd pore 502 is near the second end of cylinder 5,4th pore 501 is positioned at the centre position of cylinder 5,6th gas 503 hole near the first end of cylinder 5, the region of the 5th pore 504 between described 4th pore 501 and described 6th pore 503.
As shown in Figure 1, during ventilation, servo-actuated spool 10 is positioned at the cecum of servo valve 8, and the 7th pore 803 is communicated with the first pore 702, pressure-air enters in cylinder 5 through the 7th pore 803 and the first pore 702, and piston 11 is moved to first end by the second end of cylinder 5 under the promotion of pressure-air.
As shown in Figure 2, when piston plate 112 is through the 3rd pore 502, pressure-air enters the 9th pore 801 from the 3rd pore 502, makes the trend moved in the openend of the oriented servo valve 8 of servo-actuated spool 10.
As shown in Figure 3, when piston plate 112 is through the 4th pore 501, pressure-air is discharged from the 4th pore 501, air pressure between piston plate 112 and air inlet disk 7 declines suddenly, servo-actuated spool 10 moves to the openend of servo valve 8 under the pressure of the residual high pressure air at the 9th pore 801 place, now, the sidewall of the end of servo-actuated spool 10 blocks the first pore 702, the cannelure 110 of the lateral wall of servo-actuated spool 10 is communicated with the 7th pore 803 and the 8th pore 802, simultaneously, because the 8th pore 802 is communicated with the 6th pore 503 itself, namely be equivalent to the 7th pore 803 to be communicated with the 6th pore 503, pressure-air now starts to enter the region between piston plate 112 in cylinder 5 and cylinder end piece 6, start to promote the first end of piston 11 from cylinder 5 to the second end motion.
As shown in Figure 4, when piston plate 112 is through the 5th pore 504, pressure-air enters the second pore from the 5th pore 504, makes the trend that the cecum of the oriented servo valve 8 of servo-actuated spool 10 moves.
As shown in Figure 5, when piston plate 112 is through the 4th pore 501, pressure-air is discharged from the 4th pore 501, air pressure between piston plate 112 and cylinder end piece 6 declines suddenly, servo-actuated spool 10 moves to the cecum of servo valve 8 under the pressure of the residual high pressure air at the second pore place, now, the sidewall of the end of servo-actuated spool 10 leaves the first pore 702, the cannelure 110 of the lateral wall of servo-actuated spool 10 isolates the 7th pore 803 and the 8th pore 802, pressure-air now starts to enter the region between piston plate 112 in cylinder 5 and air inlet disk 7, start to promote piston 11 to move from the second end of cylinder 5 to first end.
Pneumatic roof bolter of the present utility model orders about piston 11 automatic reciprocating shuttling movement in cylinder 5 by above pneumatic structure, owing to which employs full mechanical, other electronic devices and components are not needed to control, decrease the utilization to electric power in mine, improve the safety and reliability of pneumatic roof bolter of the present utility model, also reduce cost of production simultaneously.
As shown in Figures 1 to 5, according to an embodiment of the present utility model, described spindle assemblies comprises: support 12, and described support 12 is connected with the first end of described cylinder 5; Drive socket 2, described drive socket 2 is assemblied in described support 12, the two ends of described drive socket 2 are respectively interlock end and link, interlock end and the described air motor of described drive socket 2 link, the port of the interlock end of described drive socket 2 is just to described piston rod 111, and the link of described drive socket 2 is provided with splined hole; Main shaft 3, the end of described main shaft 3 is provided with spline, and the end of described main shaft 3 is assemblied in described splined hole, described main shaft 3 can in described splined hole axial float, described main shaft 3 is set with water jacket 4, described water jacket 4 is provided with water inlet 401.
According to the pneumatic roof bolter of embodiment of the present utility model, the port of the interlock end of drive socket 2 is just to piston rod 111, main shaft 3 can in splined hole axial float, piston rod 111 can be clashed into the main shaft 3 in rotation, and then make main shaft 3 transmitting vibrations in rotation, achieve impact drilling function and the vibrocutting function of pneumatic roof bolter of the present utility model, improve the rate of penetration of mine, and then improve the productivity ratio in colliery.
As shown in Figures 1 to 5, according to an embodiment of the present utility model, the inner side of the end of described servo valve 8 is provided with groove, and described 9th pore 801 is communicated to described groove.
According to the pneumatic roof bolter of embodiment of the present utility model, the inner side of the end of servo valve 8 is provided with groove, when servo-actuated spool 10 moves to the cecum of described servo valve 8, inside grooves can hold certain gases at high pressure, ensure that servo-actuated spool 10 described piston plate 112 through the 4th pore 501 time, servo-actuated spool 10 can be pushed to the openend of servo valve 8 by the gases at high pressure of inside grooves remnants.Above structure ensure that the reliability of the motion of pneumatic roof bolter of the present utility model.
As shown in Figure 1 to Figure 3, according to an embodiment of the present utility model, described 7th pore 803 axially extends in the sidewall of described servo valve 8.
According to the pneumatic roof bolter of embodiment of the present utility model, 7th pore 803 is arranged in the sidewall of servo valve 8, avoid the utilization to external pipeline, reduce the volume of vibratory impulse assembly, ensure that the close structure of the vibratory impulse assembly of pneumatic roof bolter is reliable, improve the quality of pneumatic roof bolter of the present utility model.
As shown in Figures 1 to 5, according to an embodiment of the present utility model, described air inlet disk 7 and described servo valve 8 are assemblied in the inner side of the second end of described cylinder 5, and the lateral wall of described servo valve 8 contacts with the inside wall of described cylinder 5.
According to the pneumatic roof bolter of embodiment of the present utility model, air inlet disk 7 and servo valve 8 are assemblied in the inner side of the second end of cylinder 5, the lateral wall of servo valve 8 contacts with the inside wall of cylinder 5, make servo valve 8, syndeton between air inlet disk 7 and cylinder 5 tightly short reliable, decrease the use of other auxiliary fixing member and outer connecting connector, reduce the cost of production of pneumatic roof bolter of the present utility model, ensure that reliability and the durability of pneumatic roof bolter of the present utility model.
According to an embodiment of the present utility model, the inside wall of described cylinder 5 is provided with the first airway, the two ends of described first airway are communicated with described 9th pore 801 with described 3rd pore 502 respectively, the inside wall of described cylinder 5 is provided with the second airway, and the two ends of described second airway are communicated with described 8th pore 802 with described 6th pore 503 respectively.
According to the pneumatic roof bolter of embodiment of the present utility model, 3rd pore 502 is communicated with by the first airway with the 9th pore 801,6th pore 503 is communicated with by the second airway with the 8th pore 802, first airway and the second airway are all arranged on the inside wall of cylinder 5, above structure avoids the use to external pipeline, reduce the volume of vibratory impulse assembly, ensure that the vibratory impulse modular construction of pneumatic roof bolter is closely reliable, improve the quality of pneumatic roof bolter of the present utility model.
As shown in Figure 6 to 8, according to an embodiment of the present utility model, also comprise: valve seat, be provided with the 3rd airway and the 4th airway in described valve seat, described valve seat be equipped with vibratory impulse assembly, air motor and Pneumatic outrigger; Described 3rd airway with connect gas port 9 described in described vibratory impulse assembly and be communicated with, described 4th airway is communicated with the air inlet port of described Pneumatic outrigger; Control valve assembly, one end of described control valve assembly is hinged on described valve seat, and described control valve assembly comprises: support leg valve 13, and described support leg valve 13 is communicated to described 4th airway; Motor valve 14, described motor valve 14 is communicated to the air inlet port of described air motor 1; Water valve 15, described water valve 15 is communicated to the water inlet 401 on described water jacket 4; Vibrating valve 16, described vibrating valve 16 is connected to described 3rd airway; Aqueous vapor control valve 17, described aqueous vapor control valve 17 is connected with described water valve 15 and described vibrating valve 16 respectively, for controlling the opening and closing of described water valve 15 and described vibrating valve 16; Total air inlet port 18, described total air inlet port 18 is communicated to described support leg valve 13, described motor valve 14 and described vibrating valve 16, respectively for providing gases at high pressure; Total water inlet 19, described total water inlet is communicated to described water valve, for providing cooling water for the drill bit of described pneumatic roof bolter.
According to the pneumatic roof bolter of embodiment of the present utility model, control valve assembly includes support leg valve 13, motor valve 14, water valve 15, vibrating valve 16 and aqueous vapor control valve 17, the flexible of the supporting leg of pneumatic roof bolter of the present utility model can be controlled by opening and closing support leg valve 13, the operation of air motor 1 can be controlled by opening and closing motor valve 14, by can the circulation of controlled cooling model water to the opening and closing of water valve 15, by can adjust the motion state of pneumatic roof bolter of the present utility model to the opening and closing of vibrating valve 16, wherein, aqueous vapor control valve 17 can control the opening and closing of water valve 15 and vibrating valve 16, by controlling the combination of each valve above, pneumatic roof bolter of the present utility model can be made to carry out various motion state, adapt to working conditions different in mine, ensure that compliance and the practicality of pneumatic roof bolter of the present utility model.
As shown in Figure 6 to 8, according to an embodiment of the present utility model, described control valve assembly also comprises control lever 20, described control lever 20 is provided with motor valve spanner 21, support leg valve button 22 and aqueous vapor control valve knob 23, described motor valve spanner 21 is for controlling the opening and closing of described motor valve 14, described support leg valve button 22 is for controlling the opening and closing of described support leg valve 13, described aqueous vapor control valve knob 23 for controlling the state of described aqueous vapor control valve 17, and then controls the opening and closing of described water valve 15 and described vibrating valve 16.
According to the rig of embodiment of the present utility model, control lever 20 is provided with motor valve spanner 21, support leg valve button 22 and aqueous vapor control valve knob 23, producers can be manipulated pneumatic roof bolter of the present utility model easily, easily the duty of pneumatic roof bolter of the present utility model is adjusted at any time for different operating situation, facilitate the use of producers, and then improve construction speed and productivity ratio.
In the description of this manual, term " connection ", " fixing " etc. all should be interpreted broadly, and such as, " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the description of this manual, specific features, structure, material or feature that the description of term " embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a pneumatic roof bolter, is characterized in that, comprising:
Spindle assemblies, includes main shaft in described spindle assemblies;
Air motor, described air motor and described spindle assemblies are linked by gear train;
Vibratory impulse assembly, described vibratory impulse assembly is connected with described spindle assemblies, for being described spindle assemblies transmission vibration;
Wherein, described vibratory impulse assembly comprises:
Cylinder, the two ends of described cylinder are respectively first end and the second end, and the first end of described cylinder is equipped with cylinder end piece, and the second end of described cylinder is equipped with air inlet disk; The mounted inside of described cylinder has piston, and the two ends of described piston are respectively piston plate and piston rod, and described piston plate is just to described air inlet disk, and described piston rod stretches out described cylinder end piece; When described piston rod reaches ad-hoc location, described piston rod strikes described main shaft;
Servo valve, the two ends of described servo valve are respectively openend and cecum, and the openend of described servo valve is connected to described air inlet disk; The mounted inside of described servo valve has servo-actuated spool; The side of described air inlet disk is provided with projection, and described servo valve core retainer plate is contained on described projection;
Wherein, the cecum of described servo valve is connected with and connects gas port, described in connect gas port and be connected to described air inlet disk, described in connect gas port access gases at high pressure after, gases at high pressure enter piston described in air cylinder driven to described main shaft transmitting vibrations from air inlet disk.
2. pneumatic roof bolter according to claim 1, it is characterized in that, when described piston movement is extremely when the position of the first end of described cylinder, described servo-actuated spool starts to move to the openend of described servo valve, when described servo-actuated spool moves to the openend of described servo valve, described piston starts the second end motion to described cylinder, when described piston movement is extremely when the position of the second end of described cylinder, described servo-actuated spool starts to move to the cecum of described servo valve, when described servo-actuated spool moves to the cecum of described servo valve, described piston starts again to move to the first end of described cylinder, when described piston moves to again the position near the first end of described cylinder, described servo-actuated spool starts again to move to the openend of described servo valve, the motion of the described servo-actuated spool in the motion of the described piston in described cylinder and described servo valve forms the motion control chain of a closed loop, described piston rod is moved back and forth in described cylinder, and then make described piston rod clash into described main shaft continuously, for described main shaft transmitting vibrations.
3. pneumatic roof bolter according to claim 2, is characterized in that, described air inlet disk is provided with the first pore and the second pore, and described first pore leads to the sidewall of the described projection of the opposite side of described air inlet disk from the side of described air inlet disk; Described second pore is positioned at the end of described projection, described first pore leads to the sidewall of the described projection of the opposite side of described air inlet disk from the side of described air inlet disk, the inside wall on described cylinder between described air inlet disk and described cylinder end piece is arranged at intervals with successively the 3rd pore, the 4th pore, the 5th pore and the 6th pore;
The edge of the cecum of described servo valve is provided with the 7th pore, and described 7th pore is communicated to inside the edge of the openend of described servo valve, and the middle part of the inner side of described servo valve is provided with the 8th pore, and described 8th pore is communicated with described 6th pore; The end of the inner side of described servo valve is provided with the 9th pore, and described 9th pore is communicated with described 3rd pore, and described 4th pore is communicated with air, and described 5th pore is communicated with described second pore;
The lateral wall of described servo-actuated spool is provided with cannelure, and described cannelure is communicated with described 8th pore; When described servo-actuated spool slides into position, openend in described servo valve, the sidewall of the end of described servo-actuated spool blocks described first pore, and described cannelure is communicated with described 7th pore and described 8th pore.
4. pneumatic roof bolter according to claim 3, is characterized in that, the inner side of the end of described servo valve is provided with groove, and described 9th pore is communicated to described groove.
5. pneumatic roof bolter according to claim 3, is characterized in that, described 7th pore axially extends in the sidewall of described servo valve.
6. pneumatic roof bolter according to claim 3, is characterized in that, described air inlet disk and described servo valve are assemblied in the inner side of the second end of described cylinder, and the lateral wall of described servo valve contacts with the inside wall of described cylinder.
7. pneumatic roof bolter according to claim 6, it is characterized in that, the inside wall of described cylinder is provided with the first airway, the two ends of described first airway are communicated with described 9th pore with described 3rd pore respectively, the inside wall of described cylinder is provided with the second airway, and the two ends of described second airway are communicated with described 8th pore with described 6th pore respectively.
8. pneumatic roof bolter according to any one of claim 1 to 7, is characterized in that, also comprises:
Valve seat, is provided with the 3rd airway and the 4th airway, described valve seat is equipped with vibratory impulse assembly, air motor and Pneumatic outrigger in described valve seat; Described 3rd airway with connect gas port described in described vibratory impulse assembly and be communicated with, described 4th airway is communicated with the air inlet port of described Pneumatic outrigger;
Control valve assembly, one end of described control valve assembly is hinged on described valve seat, and described control valve assembly comprises:
Support leg valve, described support leg valve is communicated to described 4th airway;
Motor valve, described motor valve is communicated to the air inlet port of described air motor;
Water valve, described water valve is communicated to the water inlet on water jacket;
Vibrating valve, described vibrating valve is connected to described 3rd airway;
Aqueous vapor control valve, described aqueous vapor control valve is connected with described water valve and described vibrating valve respectively, for controlling the opening and closing of described water valve and described vibrating valve;
Total air inlet port, described total air inlet port is communicated to described support leg valve, described motor valve and described vibrating valve respectively, for providing gases at high pressure;
Total water inlet, described total water inlet is communicated to described water valve, for providing cooling water for the drill bit of described pneumatic roof bolter.
9. pneumatic roof bolter according to claim 8, it is characterized in that, described control valve assembly also comprises control lever, described control lever is provided with motor valve spanner, support leg valve button and aqueous vapor control valve knob, described motor valve spanner is for controlling the opening and closing of described motor valve, described support leg valve button is for controlling the opening and closing of described support leg valve, and described aqueous vapor control valve knob for controlling the state of described aqueous vapor control valve, and then controls the opening and closing of described water valve and described vibrating valve.
10. pneumatic roof bolter according to claim 1, is characterized in that, described spindle assemblies comprises:
Support, described support is connected with the first end of described cylinder;
Drive socket, described drive socket is assemblied in described support, the two ends of described drive socket are respectively interlock end and link, interlock end and the described air motor of described drive socket link, the port of the interlock end of described drive socket is just to described piston rod, and the link of described drive socket is provided with splined hole;
Main shaft, the end of described main shaft is provided with spline, and the end of described main shaft is assemblied in described splined hole, described main shaft can in described splined hole axial float, described main shaft is set with water jacket, described water jacket is provided with water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520269308.6U CN205063815U (en) | 2015-04-29 | 2015-04-29 | Pneumatic jumbolter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520269308.6U CN205063815U (en) | 2015-04-29 | 2015-04-29 | Pneumatic jumbolter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205063815U true CN205063815U (en) | 2016-03-02 |
Family
ID=55390384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520269308.6U Withdrawn - After Issue CN205063815U (en) | 2015-04-29 | 2015-04-29 | Pneumatic jumbolter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205063815U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806163A (en) * | 2015-04-29 | 2015-07-29 | 石家庄中煤装备制造股份有限公司 | Pneumatic anchor rod drilling machine |
| CN105804664A (en) * | 2016-05-06 | 2016-07-27 | 江苏盖亚环境科技股份有限公司 | Detection frame deflection mechanism of soil sampling and restoring integrated machine |
-
2015
- 2015-04-29 CN CN201520269308.6U patent/CN205063815U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806163A (en) * | 2015-04-29 | 2015-07-29 | 石家庄中煤装备制造股份有限公司 | Pneumatic anchor rod drilling machine |
| CN104806163B (en) * | 2015-04-29 | 2017-03-08 | 冀凯河北机电科技有限公司 | Pneumatic roof bolter |
| CN105804664A (en) * | 2016-05-06 | 2016-07-27 | 江苏盖亚环境科技股份有限公司 | Detection frame deflection mechanism of soil sampling and restoring integrated machine |
| CN105804664B (en) * | 2016-05-06 | 2018-07-03 | 江苏盖亚环境科技股份有限公司 | The detection frame deflection mechanism of integrated drilling machine is repaired in a kind of soil sample |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160302 Effective date of abandoning: 20171114 |