CN201554366U

CN201554366U - Safety environment-friendly type down-the-hole hammer rock driller

Info

Publication number: CN201554366U
Application number: CN2009200763708U
Authority: CN
Inventors: 曹荣夏; 黄志明
Original assignee: Shanghai Zhenzhong Machinery Manufacturing Co Ltd
Current assignee: Shanghai Zhenzhong Machinery Manufacturing Co Ltd
Priority date: 2009-06-16
Filing date: 2009-06-16
Publication date: 2010-08-18
Anticipated expiration: 2019-06-16

Abstract

The utility model relates to a safety environment-friendly type down-the-hole hammer rock driller, which comprises a machine base, a guide stand column uprightly arranged on the machine base, a hammer drilling mechanism arranged aside the guide stand column, a power driving motor, an air compressor, a liquid supply tank and a liquid supply system. The hammer drilling mechanism is provided with a rotator, a screw shaft, a hammer, an air supply device and a liquid supply guide tube, wherein the center of the screw shaft is provided with a liquid guide tube with one end thereof externally connected with the liquid supply tank through the liquid supply guide tube, the other end extending into the drilling head of the hammer and the periphery provided with a plurality of air compressing guide tubes. When working, liquid such as water or cement paste, bentonite or mortar is ejected out from the bottom of the drilling head together with the compressed air so as to cool the heat drilling head, prevent the dust generated in the drilling process, decrease the noise in the construction period of drilling hole and prevent the collapse around the drilled hole. The working efficiency is promoted, the service life of the drilling head and the production safety are ensured and the practicability is strong.

Description

A kind of safe environment protection type downhole hammer rock drilling machine

Technical field

The utility model relates to a kind of ground construction machinery of punchinging, particularly a kind of with liquid jet be arranged on the hammer body center, be convenient to liquid in company with compressed air simultaneously from the safe environment protection type downhole hammer rock drilling machine of cutter head bottom ejection.

Background technology

At present in the known various downhole hammer rock drilling machines, being arranged on the inner cutter head of down-the-hole hammer is to do under compressed air-driven vertically to moving back and forth, rely on hammering action rock drilling perforate, long-term existence: 1. parts damage easily, economy is relatively poor, the bump friction heat that produces during work between cutter head and the rock can make the cutter head surface temperature raise, the wear resistence of influence cutter head and the useful working life of cutter head; 2. can produce dust during operation and noise is big, both contaminated environment can endanger the healthy of operating personnel again; 3. the speed of punchinging is slow and safety is relatively poor, and not only overall work efficient is lower, and unsafe conditions such as take place easily to cave in around the eyelet.So, consider from economy and point of view of practicability, all owe desirable.

Summary of the invention

The purpose of this utility model is to overcome the existing existing weak point of known various downhole hammer rock drilling machines, a kind of durable, abrasion resistance that had both helped improving the cutter head is provided, help reducing dust and noise again, and can effectively reduce the safe environment protection type downhole hammer rock drilling machine that the eyelet situation of caving in takes place on every side.

To achieve these goals, the utility model safe environment protection type downhole hammer rock drilling machine has adopted following technical scheme: safe environment protection type downhole hammer rock drilling machine main body includes support, setting is arranged on the guide upright post on the support, be arranged on the other vertical cutter mechanism of guide upright post side, and power drive motor and air compressor, be characterised in that on the basis of existing downhole hammer rock drilling machine, also to increase and be provided with liquid supply box and liquid-supplying system, comprise in the described vertical cutter mechanism and be provided with the rotation facility, screw spindle, drop hammer, feeder and feed flow conduit, wherein: the center of described screw spindle is provided with liquid conduits, the one end links to each other with liquid supply box by the feed flow conduit is external, the other end extends to the cutter head inside of dropping hammer, and is equipped with some air-pressure ducts in the outer periphery of described liquid conduits; Described dropping hammer is arranged on the bottom of screw spindle, include the outer sleeve of band evagination shape helical blade, the ring-type air conduit of joining and constituting by the downstream of some air-pressure ducts, has the compressed air effect that the control of switching on and off is sent into by air-pressure duct, the flap valve of last band centre bore, the piston that is controlled by compressed air acts, be used to guide the inner sleeve of compressed air to the pistons work surface, be arranged on the piston axes position, stretch with liquid conduits and to put the liquid jet that the other end in the cutter head inside of dropping hammer links to each other, and the compressed air jet pipe, be arranged in the piston nose portion, bottom outer surface is provided with the spray hole that the lower end of the liquid jet that is provided with inside links to each other with the compressed air jet pipe and the cutter head of some evagination shape pointed tooths; Described feeder is mounted between the rotation facility and screw spindle that are in coaxial plumbness, comprise above and be provided with revolving part, upper flange and lower flange, ring-shaped article, annular bearings is covered up and down, metal (upper, the compressed air introducing port, with the contact surface middle part that is arranged on revolving part, the semicircle ring-type conduit A that is connected with air-pressure duct in being arranged at screw spindle, and be arranged in the middle part of the contact surface of ring-shaped article, the semicircle ring-type conduit B that is connected with the compressed air introducing port, under confined state, on the revolving part, the lower surface fixedly mounts respectively and is arranged on upper flange and the lower flange, upper flange links to each other with the flange A assembling that is positioned at rotation facility one side, lower flange links to each other with the flange B assembling that is positioned at screw spindle one side, between upper flange and lower flange, install and be provided with ring-shaped article and be arranged on the ring-shaped article lid of annular bearings up and down and the metal (upper of both sides up and down by means of the bolt covering, at this moment, even under the situation that revolving part rotates, also can avoid ring-shaped article to rotate.

Under the confined state in when work, liquid jet passes the centre bore that is arranged on the flap valve, extend through the central part that drops hammer, extend in the compressed air jet pipe, inner until the cutter head; Be provided with on the top of down-the-hole hammer some around liquid jet, downstream meets at the ring-type air-pressure duct that constitutes above the flap valve, is forced to be close on the downstream of ring-type air-pressure duct and flap valve is stressed; Liquid conduits on the described center that is arranged on screw spindle links to each other with the liquid supply box pipeline by connecting duct, through the rotation facility water in drop hammer; Described feeder communicates with the air compressor gas circuit by air-pressure duct, and compressed air is guided into drops hammer; Liquid is mixed to spray from the spray hole of cutter head bottom with compressed air from the compressed air jet pipe in cutter head through liquid jet and is discharged to the periphery that puncher drops hammer.When the liquid that flows out in the liquid conduits is water, can play cooling effect to the cutter head, help improving the abrasion resistance of cutter head and guarantee, when the liquid that flows out is cement paste, swell soil or mortar, can play the effect of caving in around the eyelet that prevents to have dug out than long service live.

The utility model safe environment protection type downhole hammer rock drilling machine based on above-mentioned design, owing on the basis of existing downhole hammer rock drilling machine, increase and be provided with liquid supply box and liquid-supplying system, liquid is ejected from the cutter head bottom of dropping hammer together with compressed air, and described liquid both can be water, it also can be cement paste, swell soil or mortar, when water during as liquid, the cutter head of heating can obtain cooling, help improving its abrasion resistance, the working life of increasing work efficiency and guaranteeing to grow, when using cement paste, swell soil or mortar are during as liquid, can play the effect of caving in around the eyelet that prevents to have dug out, help safety in production; In addition, the dust that is produced in the process of construction of punchinging can be effectively suppressed, and the noise of the construction period of punchinging also can greatly reduce, and when water sprayed discharge together with high pressure air, the speed of punchinging also can effectively improve.So, downhole hammer rock drilling machine of the present utility model is compared with the downhole hammer rock drilling machine of existing no liquid-supplying system, structure more super science is reasonable, work safety and reliability and efficient are higher, pollution to environment is few, and also little, thereby have tangible technical advance and very strong practicality to the health of operators influence.

Description of drawings

Fig. 1 is the general structure schematic diagram of the utility model embodiment;

Fig. 2 is the assembly structure figure of feeder among the utility model embodiment;

Fig. 3 is a B-B sectional view among Fig. 2;

Fig. 4 is the internal construction schematic diagram that drops hammer among the utility model embodiment.

Among the figure:

1. support 2. guide upright posts 3. hang down and cut a hole mechanism's 4. power drive motors

5. air compressor 6. liquid supply box 7. rotate facility 8. screw spindles

9. 10. feeders, 11. feed flow conduits, 12. liquid conduits drop hammer

13. cutter 14. air-pressure ducts, 15. helical blades, 16. outer sleeve

17. flap valve 18. pistons 19. inner sleeves 20. liquid jet

21. compressed air jet pipe 22. spray holes 23. evagination shape pointed tooths 24. revolving parts

25. upper flange 26. lower flanges 27. ring-shaped articles are the annular bearings lid about in the of 28.

29. metal (upper 30. compressed air introducing ports 31. semicircle ring-type conduit A

32. semicircle ring-type conduit B 33. flange A 34. flange B 35. centre bores

36. lower end 37. ring-type air-pressure ducts

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing and exemplary embodiments.

At Fig. 1, Fig. 2, among Fig. 3 and Fig. 4, safe environment protection type downhole hammer rock drilling machine main body includes support 1, setting is arranged on the guide upright post 2 on the support 1, be arranged on the other vertical cutter mechanism 3 of guide upright post 2 sides, and power drive motor 4 and air compressor 5, be characterised in that on existing downhole hammer rock drilling machine basis, also to increase and be provided with liquid supply box 6 and liquid-supplying system thereof, hang down to cutting a hole to comprise in the mechanism 3 and be provided with rotation facility 7, screw spindle 8, drop hammer 9, feeder 10 and feed flow conduit 11, wherein: the center of described screw spindle 8 is provided with liquid conduits 12, the one end links to each other with liquid supply box 6 by feed flow conduit 11 is external, and the other end extends to 9 cutter 13 inside of dropping hammer; The periphery of described liquid conduits 12 is provided with some air-pressure ducts 14; Described dropping hammer 9 is arranged on the bottom of screw spindle 8, include the outer sleeve 16 of band evagination shape helical blade 15, the ring-type air conduit 37 of joining and constituting by the downstream of some air-pressure ducts 14, has the compressed air function that the control of switching on and off is sent into by air-pressure duct 14, the flap valve 17 of last band centre bore 35, the piston 18 that is controlled by compressed air acts, be used to guide the inner sleeve 19 of compressed air to piston 18 working surfaces, be arranged on the shaft core position of piston 18, stretch with liquid conduits 12 and to put the liquid jet 20 that the other end in 9 cutter 13 inside of dropping hammer links to each other, and compressed air jet pipe 21, be arranged on piston 18 leading sections, bottom outer surface is provided with the cutter 13 of spray hole 22 that the lower end 36 of the liquid jet 20 that is provided with inside links to each other with compressed air jet pipe 21 and some evagination shape pointed tooths 23; Described feeder 10 is mounted between the rotation facility 7 and screw spindle 8 that are in coaxial plumbness, comprise above and be provided with revolving part 24, upper flange 25 and lower flange 26, ring-shaped article 27, the annular bearings lid 28 up and down, metal (upper 29, compressed air introducing port 30, with the contact surface middle part that is arranged on revolving part 24, the semicircle ring-type conduit A31 that is connected with air-pressure duct 16 in being arranged at screw spindle 8, and and be arranged in the middle part of the contact surface of ring-shaped article 27, the semicircle ring-type conduit B32 that is connected with compressed air introducing port 30, under confined state, on the revolving part 24, the lower surface fixedly mounts respectively and is arranged on upper flange 25 and the lower flange 26, upper flange 25 links to each other with the flange A33 assembling that is positioned at rotation facility 7 one sides, lower flange 26 links to each other with the flange B34 assembling that is positioned at screw spindle 8 one sides, the lid 28 of annular bearings up and down and the metal (upper 29 that are provided with ring-shaped article 27 and are arranged on ring-shaped article both sides about in the of 27 by means of the bolt covering are installed between upper flange 25 and lower flange 26, at this moment, even under the situation that revolving part 24 rotates, also can avoid ring-shaped article 27 to rotate.

Under the confined state in when work, liquid jet 20 is passed the centre bore 35 that is arranged on the flap valve 17, extends through 9 the central part of dropping hammer, and extends in compressed air jet pipe 21, until cutter 13 inside.Be provided with on the top of down-the-hole hammer 9 some around liquid jet 20, downstream meets at the ring-type air conduit 37 that constitutes above the flap valve 17, is forced to be close on the downstream of ring-type air-pressure duct 37 and flap valve 17 is stressed; Liquid conduits 12 on the described center that is arranged on screw spindle 8 links to each other with liquid supply box 6 pipelines by feed flow conduit 11, through rotation facility 7 the water confession toward dropping hammer in 9; Described feeder 10 communicates with air compressor 5 gas circuits by air-pressure duct 14, and compressed air is guided into drops hammer in 9; Liquid mixes with compressed air from compressed air jet pipe 21 in cutter 13 mutually through liquid jet 20, and spray hole 22 spray through being arranged on cutter 13 bottom is discharged to drop hammer 9 periphery of puncher, when the liquid that flows out in the liquid conduits 12 is water, can play cooling effect to the cutter head, help improving the abrasion resistance of cutter 13 and guarantee than long service live, when the liquid that flows out is cement paste, swell soil or mortar, can reach the situation of caving in around the eyelet that prevents to have dug out.

Claims

1. safe environment protection type downhole hammer rock drilling machine, include support (1), setting is arranged on the guide upright post (2) on the support (1), be arranged on the other vertical cutter mechanism (3) of guide upright post (2) side, and power drive motor (4) and air compressor (5), it is characterized in that also increasing and be provided with liquid supply box (6) and liquid-supplying system, comprise in the cutter mechanism (3) of hanging down and be provided with rotation facility (7), screw spindle (8), drop hammer (9), feeder (10) and feed flow conduit (11), wherein:

The center of a. described screw spindle (8) is provided with liquid conduits (12), the one end links to each other with liquid supply box (6) by feed flow conduit (11) is external, the other end extends to cutter head (13) inside of drop hammer (9), is equipped with some air-pressure ducts (14) in the outer periphery of described liquid conduits (12);

B. described drop hammer (9) are arranged on the downstream end of screw spindle (8), include the outer sleeve (16) of band evagination shape helical blade (15), the ring-type air-pressure duct (37) of joining and constituting by the downstream of some air-pressure ducts (14), the flap valve (17) of last band centre bore (35), the piston (18) that is controlled by compressed air acts, be used to guide the inner sleeve (19) of compressed air to piston (18) working surface, be arranged on piston (18) shaft core position, stretch with liquid conduits (12) and to put the liquid jet (20) that links to each other at the inner other end of the cutter head (13) of drop hammer (9), and compressed air jet pipe (21), be arranged on piston (18) leading section, bottom outer surface is provided with the spray hole (22) that links to each other with compressed air jet pipe (21) with the lower end (36) of the inner liquid jet (20) that is provided with and the cutter head (13) of some evagination shape pointed tooths (23);

C. described feeder (10) is mounted between the rotation facility (7) and screw spindle (8) that are in coaxial plumbness, comprise above and be provided with revolving part (24), upper flange (25) and lower flange (26), ring-shaped article (27), annular bearings is covered (28) up and down, metal (upper (29), compressed air introducing port (30), with the contact surface middle part that is arranged on revolving part (24), the semicircle ring-type conduit A (31) that is connected with air-pressure duct (16) in being arranged at screw spindle (8), and and be arranged in the middle part of the contact surface of ring-shaped article (27), the semicircle ring-type conduit B (32) that is connected with compressed air introducing port (30), under confined state, on the revolving part (24), the lower surface fixedly mounts respectively and is arranged on upper flange (25) and the lower flange (26), upper flange (25) links to each other with flange A (33) assembling that is positioned at rotation facility (7) one sides, lower flange (26) links to each other with flange B (34) assembling that is positioned at screw spindle (8) one sides, installs to be provided with ring-shaped article (27) and to be arranged on ring-shaped article (27) lid of annular bearings up and down (28) and the metal (upper (29) of both sides up and down by means of the bolt covering between upper flange (25) and lower flange (26).

2. safe environment protection type downhole hammer rock drilling machine according to claim 1, it is characterized in that described liquid jet (20) passes the hole (35) that is arranged among the flap valve (17), extend through the central part of drop hammer (9), in compressed air jet pipe (21), extend, until cutter head (13) inside.

3. safe environment protection type downhole hammer rock drilling machine according to claim 1, it is characterized in that the liquid conduits (12) on the center of described screw spindle (8) links to each other with liquid supply box (6) pipeline by feed flow conduit (11), and a liquid jet (20) of cutting a hole on (13) is connected in rotation facility (7) and drop hammer (9).

4. safe environment protection type downhole hammer rock drilling machine according to claim 1 is characterized in that described feeder (10) communicates with air compressor (5) gas circuit by air-pressure duct (14), and compressed air is guided in drop hammer (9).