CN2033855U - Internally rotating hydraulic jackdrill - Google Patents
Internally rotating hydraulic jackdrill Download PDFInfo
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- CN2033855U CN2033855U CN 88212357 CN88212357U CN2033855U CN 2033855 U CN2033855 U CN 2033855U CN 88212357 CN88212357 CN 88212357 CN 88212357 U CN88212357 U CN 88212357U CN 2033855 U CN2033855 U CN 2033855U
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Abstract
The utility model relates to an Internally rotating hydraulic jackdrill, which belongs to the machinery used in the mine industry, composed of a rotating drill mechanism, a hydraulic impact mechanism and a handle body. The utility model is characterized in that the rotating drill mechanism is provided with a seal device, thoroughly avoids the back flow of the high-pressure washing water and improves the reliability and the service life of the rotating drill mechanism. The structure of the handle body is greatly simplified. The utility model has the advantages of compact structure, low cost, high efficiency and low noise.
Description
It is to belong to the used machinery of mine industry that the utility model relates to De Nei rotation commentaries on classics hydraulic gate.
Since the seventies, states such as English, U.S., moral, method, Sweden just have been developed into hydraulic pressure cutter machine, but mainly be that Du Li Wai rotation changes hydraulic gate, adopt the Nei rotation to change hydraulic gate seldom, the characteristics that Du Li Wai rotation changes hydraulic gate are that rotating speed and moment of torsion are adjustable, but need oil motor and change gear mechanism are installed, and make machine weight generally all more than the 50-60 kilogram, and rotating drill rod mechanism needs one to overlap independently oil supply system, makes machine complicated and huge again.China has manufacturer production Nei rotation to change hydraulic gate at present, but machine itself does not prevent the device of flushing water to stream, when adopting domestic standard six side's hollow drill steel rock drilling, flushing water overflows from bit shank, enter rotating drill rod mechanism and handle body, the oil flushing of rotating drill rod mechanism is fallen, and it is lubricated that rotating drill rod mechanism is lost, and causes to rotate and unablely maybe can not rotate.Prevent that flushing water from being to adopt bit shank that waterproof grommet is housed especially and carry compressed air to solve to rotating drill rod mechanism to stream abroad, because of the most of amesiality in the standard bit shank central water flooding hole of domestic production, be not suitable in bit shank, processing o-ring groove, and the bit shank processing difficulties after the heat treatment, as adopt the annealing back to reprocess, the quenching quality can not get guaranteeing that bit shank is easily broken.Stop water to stream with compressed air, it is big not only to purchase the compressor expense, and uses economical inadequately.Present Nei rotation both domestic and external changes hydraulic gate, and control valve all is arranged on the handle body, makes handle body structure complexity, and weight is big, processing difficulties.
The purpose of this utility model is exactly that a kind of light-duty Nei rotation that designs at above-mentioned situation changes hammer drill, the handle body structure is greatly simplified, and thoroughly avoided the flushing water refluence, has improved the reliability and the application life of rotating drill rod mechanism.
Solution of the present utility model is in the: Zai rotation rotaring sleeve waterproof sealing seat and combined seal ring to be housed, cylinder on the piston passes the waterproof sealing seat, thereby prevented the flushing water refluence effectively, control valve laterally and with control valve is arranged on the rear portion of cylinder body (25) abreast, simplified the handle body structure greatly, made compact integral structure.
Detailed content of the present utility model and specific embodiments are described below referring to accompanying drawing.
Description of drawings:
Fig. 1 represents general structure schematic diagram of the present utility model.
The vertical view of Fig. 2 presentation graphs 1
The C-C sectional view of Fig. 3 presentation graphs 1
The D-B of Fig. 4 presentation graphs 1
View
Fig. 5 represents the structural representation of rotating drill rod mechanism
The K of Fig. 6 presentation graphs 5 is to view
Fig. 7 represents the mutual alignment relation of two groups of ratchets
Referring to Fig. 1, Fig. 2, the utility model is made up of rotating drill rod mechanism, hydraulic impact mechanism, handle body three parts.Wherein rotating drill rod mechanism comprises head (1), rotation rotaring sleeve (6), six side's bit shank steel bushings (5), strong cover (12), rifle nut (14), ratchet (13), ratchet (52), (53) and tower spring (54), be equipped with in the feature Shi Zai rotation rotaring sleeve of the present utility model (6) on the circumference of waterproof sealing seat (8) rotation rotaring sleeve (6) and be shaped on ratchet, there is a cylinder front portion at piston (24), and it passes waterproof seat envelope seat (8).Simultaneously, the utility model also is equipped with combined seal ring (9), (10) that are made of ○Xing Mifengquan and stairstepping sealing ring on waterproof sealing seat (8), as Fig. 1, shown in Figure 5, strengthened sealing, thoroughly avoid the high pressure washing aqueous reflux to advance rotating drill rod mechanism, improved the reliability and the application life of rotating drill rod mechanism greatly.Key cover (the rear portion in the 12) Zhuan Zai rotation rotaring sleeves (6), its front is coupling sleeve (11), rifle nut (14) is contained in the ratchet (13), as shown in Figure 5, ratchet (52), (53) ratchet on rotation rotaring sleeve (6), ratchet (13) respectively are meshed, melt for ratchet (52), (53) are joined with ratchet all the time, tower spring (54) withstands on the ratchet, shown in Fig. 6,7.
Referring to Fig. 1, hydraulic impact mechanism of the present utility model comprises cylinder body (25), piston (24), control valve, accumulator and control valve, the front and back end of piston (24) does not all have sliding bearing (19), (39) supporting, twice combined seal ring (17), (18) are housed on bearing support (16), (38), preceding one sealing ring is used for preventing that pollutants such as dust from entering beater mechanism, after be used for preventing the fluid external leakage together.(15) be connected body, the middle part of piston (24) cooperates with cylinder sleeve (23), and the oilhole that upward is provided with by cylinder sleeve (23) is communicated with control valve, control valve is made up of spool (47), valve seat (46), as shown in Figure 3, (45) be the valve body left end cap, (48) be the valve body right end cap, the left end of spool (47) is subjected to the constant voltage effect, and right-hand member is subjected to the effect of hypermutation oil pressure, this differential type spool sensitive reversing, and definite position arranged, spool (47) is a hollow type, as drainback passage, can alleviate spool weight again.Damage other part when preventing empty beating, feature of the present utility model is to be provided with the cylinder boss on piston (24), and when sky was beaten, boss entered the grease chamber of cylinder sleeve (23) front end, the formation lubricating pad.Control valve of the present utility model is to be made of spool (50) and handle (49), as shown in Figure 4, it is characterized in that handling spool (50) and laterally and with control spool (47) be set in parallel in the rear portion of cylinder body (25), shown in Fig. 1,3,4, this set scheme not only makes the handle body structure greatly simplify, be easy to make, and shortened oil duct, make compact integral structure.Feature of the present utility model also is to be provided with two accumulators of high and low pressure, wherein low pressure accumulator is arranged on cylinder body (25) bottom and is communicated with back oil road, form by barrier film seat (40), gland (42), barrier film (41), as shown in Figure 1, 2, it is in order to absorb the hydraulic impulse that intermittent oil returning causes, to overcome the defective of the frequent explosion of hydraulic gate oil return flexible pipe that low pressure accumulator is set on back oil road.High pressure accumulator is made up of barrier film seat (22), gland (20), barrier film (21), is installed in the top of cylinder body (25), is communicated with main oil gallery.(26) be the inlet connector body, (28) are positioning sleeve.
Handle body of the present utility model is to be made of bonnet (29), water filling plug screw (33), liquid drugs injection (31), admitting pipe joint (36), singlehanded fist-clenching type handgrip (34), (35) or compound handgrip, as shown in Figure 1, 2, (32) be seal gasket, (34) be shockproof glue based, (36) be the admitting pipe joint body, (37) for o-ring groove is installed, become the supporting leg type hydraulic gate if a supporting leg ， Calipering is installed in the bottom of cylinder body (25); If handgrip (34), (35) among the control valve among Fig. 1,4 and Fig. 2 are removed, then can be made into guide tracked hydraulic gate; According to design feature of the present utility model, rotating drill rod mechanism is removed, can be made into hydraulic breaker.Rotating drill rod mechanism of the present utility model, hydraulic impact mechanism and handle body are locked into one by two long bolts (43) and nut (44).
Referring to accompanying drawing, the course of work of the present utility model is described below.
The backstroke of piston: piston shown in Figure 1 is in stroke to be finished, the position before backhaul begins.The hydraulic oil A(of grease chamber that oil inlet P (see figure 3), valve pocket C, oilhole d enter the piston left end that flows through sees Fig. 1), promote piston and make drawback movement.Oil among the B of grease chamber of piston right-hand member is seen Fig. 3 through oilhole e(), valve pocket F, G, oilhole h flow back to fuel tank.During the i hole of backward stroke of the piston to Fig. 1, hydraulic oil just enters j hole and the valve pocket K i hole, Fig. 3 from the A chamber, spool is pushed to left end, and hydraulic oil enters the piston right-hand member B of grease chamber from valve pocket C, F, oilhole e, makes piston brake gradually and commutate.
The impact stroke of piston: piston under the promotion of hydraulic oil to left movement, the oil in piston left end A chamber also enters piston right-hand member B chamber through oilhole d, valve pocket C, F, oilhole e, promote piston at a high speed to left movement, hit bit shank, in the moment of hitting, the oil among the valve pocket K flows back to fuel tank through oilhole j, i, the L of grease chamber, oilhole m, n, valve pocket G, oilhole h, spool is under the left end hydraulic oil promotes, shift to right-hand member, the commutation of oil stream begins next motion cycle again.
Drill steel De rotation changes: during the piston backstroke, ratchet shown in Fig. 6 (13) is changeed pawl (53) and is propped up motionless, force piston along angle of helicla flute revolution, (12), rotation rotaring sleeves (6) are also corresponding to turn over an angle thereby make keyway on the piston drive the key cover.For Zu Zhi rotation rotaring sleeve produces counter motion, (52) Di Zhu rotation rotaring sleeves make it can not reverse slide to ratchet, have improved commentaries on classics pricker moment of torsion effectively.When piston bump, key cover (12) that cooperates with the piston keyway and rotation rotaring sleeve just drive pricker bar rotation to be changeed, and finishes and changes the pricker motion.
During this machine of use, operating grip (49) is pulled to the back-end, the high pressure oil input channel is connected by oil circuit and the back oil road handled in the spool (50), the oil pump off-load, and piston stops to impact.Operating grip (49) is pulled forward end, and the road of high pressure oil input channel and back oil road is cut off by spool (50), and hammer drill just carries out Chong Ji with rotation changes.
Rock drill capacity usage ratio height of the present utility model is a kind of energy-efficient mechanism, without compressed air, can make rotating drill rod mechanism obtain good lubrication, noise is than the low 10-15 decibel of air drill, and the handle body structure is simple, make the complete machine low cost of manufacture more than 20%, simultaneously, reasonable in design, sturdy and durable, easy-maintaining, vibrate little, good operation, the while applied range, so economic and social benefit is very significant.
Claims (4)
1,, the Nei rotation changes hydraulic gate, is to comprise head (1), rotation rotaring sleeve (6), six side's bit shank steel bushings (5), key cover (12), rifle nut (14), ratchet (13), ratchet (52), (53) and tower spring (54) by rotating drill rod mechanism; Hydraulic impact mechanism comprises cylinder body (25), piston (24), control valve, accumulator and control valve; The handle body comprises back cylinder cover (29), water filling plug screw (33), liquid drugs injection (31), admitting pipe joint (36) and handgrip (34), (35) three parts composition, be equipped with in the feature Shi Zai rotation rotaring sleeve of the present utility model (6) on the circumference of waterproof sealing seat (8) rotation rotaring sleeve (6) and be shaped on ratchet, in the front portion of piston (24) a smooth cylinder is arranged, it passes waterproof sealing seat (8), the horizontal and rear portion that be arranged on cylinder body (25) parallel with control valve of control valve.
2, Nei rotation according to claim 1 changes hydraulic gate, it is characterized in that being equipped with on waterproof sealing seat (8) combined seal ring (9), (10) that are made of ○Xing Mifengquan and stairstepping sealing ring.
3, Nei rotation according to claim 1 and 2 changes hydraulic gate, it is characterized in that being provided with two accumulators of high-low pressure, and wherein low pressure accumulator is arranged on the bottom of cylinder body (25) and is communicated with time D oil duct.
4, Nei rotation according to claim 3 changes hydraulic gate, it is characterized in that on piston (24) the cylinder boss being arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88212357 CN2033855U (en) | 1988-03-31 | 1988-03-31 | Internally rotating hydraulic jackdrill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88212357 CN2033855U (en) | 1988-03-31 | 1988-03-31 | Internally rotating hydraulic jackdrill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2033855U true CN2033855U (en) | 1989-03-08 |
Family
ID=4845666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88212357 Withdrawn CN2033855U (en) | 1988-03-31 | 1988-03-31 | Internally rotating hydraulic jackdrill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2033855U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212631A (en) * | 2011-04-28 | 2011-10-12 | 刘轩 | Full hydraulic rotary beating rock drill |
| WO2012068771A1 (en) * | 2010-11-22 | 2012-05-31 | Tang Zhongsheng | Impact-type hydraulic rock drilling machine |
| CN102686819A (en) * | 2009-11-11 | 2012-09-19 | 株式会社水山重工业 | System for preventing idle blow and adjusting hitting power of breaker |
| CN107109897A (en) * | 2014-09-18 | 2017-08-29 | 蒙塔博特公司 | Hydraulic drilling equipment for drilling |
-
1988
- 1988-03-31 CN CN 88212357 patent/CN2033855U/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102686819A (en) * | 2009-11-11 | 2012-09-19 | 株式会社水山重工业 | System for preventing idle blow and adjusting hitting power of breaker |
| CN102686819B (en) * | 2009-11-11 | 2014-06-18 | 株式会社水山重工业 | System for preventing idle blow and adjusting hitting power of breaker |
| WO2012068771A1 (en) * | 2010-11-22 | 2012-05-31 | Tang Zhongsheng | Impact-type hydraulic rock drilling machine |
| CN102212631A (en) * | 2011-04-28 | 2011-10-12 | 刘轩 | Full hydraulic rotary beating rock drill |
| CN107109897A (en) * | 2014-09-18 | 2017-08-29 | 蒙塔博特公司 | Hydraulic drilling equipment for drilling |
| CN107109897B (en) * | 2014-09-18 | 2019-11-08 | 蒙塔博特公司 | Hydraulic drilling equipment for drilling |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |