CN202467641U - Drill boom rotating device for down-hole drill - Google Patents
Drill boom rotating device for down-hole drill Download PDFInfo
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- CN202467641U CN202467641U CN2012200117295U CN201220011729U CN202467641U CN 202467641 U CN202467641 U CN 202467641U CN 2012200117295 U CN2012200117295 U CN 2012200117295U CN 201220011729 U CN201220011729 U CN 201220011729U CN 202467641 U CN202467641 U CN 202467641U
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- drill boom
- power source
- drill
- rotating device
- slewing equipment
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Abstract
The utility model belongs to the field of geotechnical engineering machinery of underground mines, tunnels, water conservancy and the like, and particularly relates to a drill boom rotating device applied to a down-hole drill. The drill boom rotating device comprises a power source and a fixed support which is used for fixing the power source, wherein the power source is a low-speed large-torque motor and is fixedly connected to a drill machine body through the fixed support. The drill boom rotating device also comprises a connecting unit which is arranged at the rotating shaft end of the power source, wherein the rotating shaft end is fixedly connected to a rotation center of the drill boom of the drill through the connecting unit. According to the drill boom rotating device, the conventional complex structure that a hydraulic motor is used for driving a speed reducer, and spring braking is adopted is eliminated, and the low-speed large-torque motor is directly used for realizing large-torque driving of the rotating device, so that the drill boom rotating device is simple and practical in structure, and low in cost; and compared with the conventional hydraulic device, the drill boom rotating device has the advantages that the requirements on mounting accuracy and the like are low, the structure is simplified, and the accuracy accumulative error and the like are greatly reduced, so that the drill boom rotating device can work reliably and stably.
Description
Technical field
The utility model belongs to underground mine and tunnel, water conservancy isolith geotechnique journey mechanical field, is specifically related to a kind of down-the-hole drill drill boom slewing equipment that applies on the down-the-hole drill.
Background technology
Down-the-hole drill is a kind of mining machinery of formation downhole boring, and it mainly realizes the boring to the rock stratum, passes through other equipment again to loading explosive in the hole with the bursting work of final realization to the rock stratum.Dig when boring continuously stope rock drilling face being fanned the type mode, need to change 360 ° of angles of revolution of down-the-hole drill drill boom, actual shown in Fig. 1-2, this will use the drill boom slewing equipment and realize its above-mentioned functions.The actual act situation of traditional down-the-hole drill drill boom slewing equipment A is as shown in Figure 3, and clutch c three parts that mainly discharged by hydraulic motor a, worm type of reduction gearing b, spring braking hydraulic pressure are formed; Working method is: at ordinary times by the spring compression friction plate, make drill boom e be in on-position; When needs are adjusted drill boom e angle of revolution, connect the hydraulic motor oil circuit, pressure oil also gets into the oil-in d place of slew gear simultaneously, promotes spring, makes friction plate sound sheet break away from, and down-the-hole drill drill boom slewing equipment is in the disengaging on-position; Motor drove and drove turbine and worm this moment, and after it slows down, drove drill boom e and do gyration.Hydraulic control and the hydraulic motor a of its clutch c are synchronous, promptly have only hydraulic motor a to have hydraulically-actuated clutch c to discharge, and drill boom could turn round.Often there is following problem in said structure: because each part is nonstandard part, processing, installation and maintenance are all comparatively complicated, simultaneously; Its cost of manufacture is higher; Special owing to need hydraulic oil to open spring braking, if the machining accuracy of the cavity of spring braking own is not high, installation accuracy is not enough; Then very easily cause problems such as hydraulic fluid leak, cause its fault rate high.
Summary of the invention
The purpose of the utility model provides a kind of down-the-hole drill drill boom slewing equipment simple in structure, its reliable and stable work.
For realizing above-mentioned purpose; The utility model has adopted following technical scheme: a kind of down-the-hole drill drill boom slewing equipment; The fixed bearing that comprises power source and be used for fixing power source, said power source are low-speed big torque motor, and said power source is fixed on the rig body through fixed bearing; Said drill boom slewing equipment also comprises the linkage unit that is arranged at power source commentaries on classics axial end, and its rotating shaft end is fixed in the centre of gyration place of rig drill boom through linkage unit.
The beneficial effect of the utility model is: after adopting said structure; Abandon traditional hydraulic motor and driven the labyrinth that reducer drives and adopts spring braking; Directly take low-speed big torque motor to realize that the high pulling torque of slewing equipment drives, simple and practical, cost is extremely low; Because it is lower than the conventional hydraulic device to requirements such as installation accuracies, its structure spy more simplifies simultaneously, and precision cumulative errors etc. can greatly be reduced, thereby guarantee more reliable and stable of its work.
Description of drawings
Fig. 1 is the scheme of installation of existing down-the-hole drill drill boom slewing equipment;
Fig. 2 is the rotating action sketch map of down-the-hole drill drill boom;
Fig. 3 is existing down-the-hole drill drill boom slewing equipment structural representation;
Fig. 4 is the structure sectional view of the utility model;
Fig. 5 is the perspective view of the utility model;
Fig. 6 is the scheme of installation of the utility model.
The specific embodiment
A kind of down-the-hole drill drill boom slewing equipment; The fixed bearing 20 that comprises power source 10 and be used for fixing power source 10; Said power source 10 is a low-speed big torque motor, and said power source 10 is fixed on the rig body through fixed bearing 20, and said drill boom slewing equipment comprises that also being arranged at power source 10 changes the linkage unit of axial end; Its rotating shaft end is fixed in the centre of gyration place of rig drill boom through linkage unit, shown in Fig. 4-6.
Further preferred version as the utility model: shown in Fig. 3-4; Said linkage unit comprises and is used for the revolution junction plate 30 affixed with the centre of gyration place of drill boom; Key is connected setting between said revolution junction plate 30 and power source 10 rotating shafts, and said linkage unit also comprises the axial limiting portion that is used to limit the linkage unit axial motion.
Further; Be the above-mentioned structure of concrete realization; The spline housing 32 that said revolution junction plate 30 comprises flange seat 31 and is embedded at flange seat 31 centers; Spline is connected setting between said spline housing 32 and power source 10 rotating shafts, and said axial limiting portion comprises shaft end ring 41, and said shaft end ring 41 bolts are fixed in power source 10 rotating shaft end ends and constitute gear with 32 of spline housings and cooperate.On the one hand, spline connects the radial displacement limited between revolution junction plate and power source 10 rotating shafts, has guaranteed between the two reliably affixed, thereby to be it with reliable and stable between drill boom cooperate provides assurance; On the other hand; Because the existence of shaft end ring 41; Also guaranteed the axial location between its revolution junction plate 30 and power source 10 rotating shafts; Prevent to turn round junction plate 30 and even affixed with it rig drill boom because of move significantly cause and power source 10 rotating shafts between produce axial motion maybe, the actual installation mode is as shown in Figure 4.
Further; As shown in Figure 4, interfere for the installation of avoiding 31 of shaft end ring 41 and flange seats, establish shoulder hole in the said spline housing 32; Spline is connected between the rotating shaft of its small end hole portion and power source 10, and said shaft end ring 41 is positioned at spline housing 32 big stomidiums and constitutes gear with its hole shoulder and cooperates.In other words; Possibly produce interference because of the existence of shaft end ring 41 when avoiding the flange seat 31 and the drill boom centre of gyration affixed; Here through in spline housing 32, countersink region being set; Thereby shaft end ring 41 " is imbedded " spline housing 32 inside, finally guarantee the reliably affixed of the flange seat 31 and the drill boom centre of gyration.
Further; The projecting end 312 that said flange seat 31 comprises plate plate-like flange 311 and is arranged at place, one of which side end face; Said projecting end 312 is vertically postponed to fixed bearing 20 places along its axis by the place, a side end face of closing on power source 10 of flange 311 and is formed; Said projecting end 312 profiles are affixed setting between multidiameter shape and its small end and flange 311 end faces; Said axial limiting portion also comprises the gland 42 of the corresponding projecting end 312 sensing positions that are arranged on the fixed bearing 20, and said gland 42 and projecting end 312 shaft shoulder portions constitute gear and cooperate and have the gap between the two.Why adopt the spacing setting of above-mentioned secondary; This is for preventing that drill boom from facing upward when action of bowing; Just in case cause shaft end ring 41 loosening or come off because of bolt gets loose; Cause drill boom together with shaft swing or the break-off of revolution junction plate 30, thereby increased gland 42, increase its security performance so that revolution junction plate 30 integral body are played axial insurance position-limiting action at spline position and power source 10. Normal operation gland 42 and 30 of junction plates of revolution have the gap; Only under bolt looseness on the shaft end ring 41 or situation about coming off, gland 42 just can compress projecting end 312 as safety element, thereby plays the effect that compresses revolution junction plate 30 and even pulling drill boom, finally guarantees the safe and reliable work of its whole machine body.
Further, be the concrete structure of realizing gland 42: shown in Fig. 4-5, said gland 42 is three and all curved angle bar shape of its profile, and said gland 42 is circle-shaped being uniformly distributed with along projecting end 312 big end outer rims and is fixed on the fixed bearing 20.Certainly, gland 42 divide equally and number is all decided by actual conditions; Gland 42 itself then can be shown in Fig. 4-5, and its inner bending place is positioned at the inner arc portion of its whole circle that constitutes, and gland 42 itself has constituted naturally with 20 of fixed bearings and is used to hold the container cavities that projecting end 312 is held greatly, thereby plays its spacing safety effect; Why gland 42 five equilibriums are some, when not only having guaranteed its actual installation projecting end 312 can with its formation matching relationship, guarantee also that simultaneously both install and the easy demand when safeguarding its;
Above-mentioned structure has been accomplished the axial limiting demand for insurance of complete machine; For further guaranteeing the radially safety performance of the utility model; As shown in Figure 4; Affixed setting between said fixed bearing 20 and rig luffing mechanism, power source 10 rotating shafts place that close on of said fixed bearing 20 are upwards postponed along its axis annular projection 21 are arranged, and said annular projection 21 terminates in the end of flange seat 31; Have spacing between said projecting end 312 inwalls and spline housing 32 outer walls, said annular projection 21 is located between projecting end 312 inwalls and spline housing 32 outer walls.Like this; Immediately because of occurring damaging between the rotating shaft that causes turning round junction plate 30 and power source 10, spline fitted produces radial deflection; Annular projection 21 on its fixed bearing 20 also can be used as canular " enclosure wall " and guarantees that effectively its side-play amount maintains in the little scope of trying one's best, and guarantees its production safety; Simultaneously, its annular projection 21 has also effectively completely cut off the rotating shaft end of power source 10 and the relation between the external world, and is more permanent to guarantee its application life under adverse circumstances.
Further, because projecting end 312 on the revolution junction plate 30 and the annular projection 21 on the fixed bearing 20 have produced relative sliding motion,, be folded with lubricating channels anti-wear sleeve 50 between said annular projection 21 outer walls and projecting end 312 inwalls in order to reduce friction.In addition, for guaranteeing its fuel feeding demand, run through the oil supplying hole that offers the oil-way that is communicated with lubricating channels anti-wear sleeve 50 on the said projecting end 312 little end walls, actual configuration can be with reference to shown in Figure 4.
Claims (9)
1. down-the-hole drill drill boom slewing equipment; The fixed bearing (20) that comprises power source (10) and be used for fixing power source (10); It is characterized in that: said power source (10) is a low-speed big torque motor; Said power source (10) is fixed on the rig body through fixed bearing (20), and said drill boom slewing equipment also comprises the linkage unit that is arranged at power source (10) commentaries on classics axial end, and its rotating shaft end is fixed in the centre of gyration place of rig drill boom through linkage unit.
2. drill boom slewing equipment according to claim 1; It is characterized in that: said linkage unit comprises and is used for the revolution junction plate (30) affixed with the centre of gyration place of drill boom; Key is connected setting between said revolution junction plate (30) and power source (10) rotating shaft, and said linkage unit also comprises the axial limiting portion that is used to limit the linkage unit axial motion.
3. drill boom slewing equipment according to claim 2; It is characterized in that: the spline housing (32) that said revolution junction plate (30) comprises flange seat (31) and is embedded at flange seat (31) center; Spline is connected setting between said spline housing (32) and power source (10) rotating shaft; Said axial limiting portion comprises shaft end ring (41), said shaft end ring (41) bolt be fixed in power source (10) rotating shaft end end and with spline housing (32) between constitute gear and cooperate.
4. drill boom slewing equipment according to claim 3; It is characterized in that: said spline housing is established shoulder hole in (32); Spline is connected between the rotating shaft of its small end hole portion and power source (10), and said shaft end ring (41) is positioned at the big stomidium of spline housing (32) and cooperates with its hole shoulder formation gear.
5. according to claim 3 or 4 described drill boom slewing equipments; It is characterized in that: the projecting end (312) that said flange seat (31) comprises plate plate-like flange (311) and is arranged at place, one of which side end face; Said projecting end (312) is located vertically to postpone to form to fixed bearing (20) along its axis by the place, a side end face of closing on power source (10) of flange (311); Said projecting end (312) profile is affixed setting between multidiameter shape and its small end and flange (311) end face; Said axial limiting portion comprises that also the corresponding projecting end (312) that is arranged on the fixed bearing (20) points to the gland (42) of position, and said gland (42) cooperates with projecting end (312) shaft shoulder portion formation gear and has the gap between the two.
6. drill boom slewing equipment according to claim 5 is characterized in that: said gland (42) is three and all curved angle bar shape of its profile, and said gland (42) is held outer rim to be circle-shaped being uniformly distributed with greatly along projecting end (312) and is fixed on the fixed bearing (20).
7. drill boom slewing equipment according to claim 5; It is characterized in that: affixed setting between said fixed bearing (20) and rig luffing mechanism; Power source (10) rotating shaft place that closes on of said fixed bearing (20) is upwards postponed along its axis annular projection (21) is arranged; Said annular projection (21) terminates in the end of flange seat (31), has spacing between said projecting end (312) inwall and spline housing (32) outer wall, and said annular projection (21) is located between projecting end (312) inwall and spline housing (32) outer wall.
8. drill boom slewing equipment according to claim 7 is characterized in that: be folded with lubricating channels anti-wear sleeve (50) between said annular projection (21) outer wall and projecting end (312) inwall.
9. drill boom slewing equipment according to claim 8 is characterized in that: run through the oil supplying hole that offers the oil-way that is communicated with lubricating channels anti-wear sleeve (50) on the little end wall of said projecting end (312).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200117295U CN202467641U (en) | 2012-01-12 | 2012-01-12 | Drill boom rotating device for down-hole drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200117295U CN202467641U (en) | 2012-01-12 | 2012-01-12 | Drill boom rotating device for down-hole drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202467641U true CN202467641U (en) | 2012-10-03 |
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ID=46915807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200117295U Expired - Lifetime CN202467641U (en) | 2012-01-12 | 2012-01-12 | Drill boom rotating device for down-hole drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202467641U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115822453A (en) * | 2023-02-21 | 2023-03-21 | 四川省公路规划勘察设计研究院有限公司 | Tunnel harmful gas detection while drilling advanced detection device |
-
2012
- 2012-01-12 CN CN2012200117295U patent/CN202467641U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115822453A (en) * | 2023-02-21 | 2023-03-21 | 四川省公路规划勘察设计研究院有限公司 | Tunnel harmful gas detection while drilling advanced detection device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |
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| CX01 | Expiry of patent term |