CN205558806U

CN205558806U - It bores to dig quick -witted high -pressure water injection rock -entering of stake soon

Info

Publication number: CN205558806U
Application number: CN201620160728.5U
Authority: CN
Inventors: 李兴涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-03-02
Filing date: 2016-03-02
Publication date: 2016-09-07
Anticipated expiration: 2026-03-02

Abstract

The utility model discloses an it bores to dig quick -witted high -pressure water injection rock -entering of stake soon, including consecutive drilling rod, rotary valve, rock -entering pole, drill bit, the rotary valve includes rotary joint and at the disk seat of suit outside rotary joint, is equipped with water inlet and high -pressure water pipe and links to each other on the disk seat, the high pressure water pipe and high pressure water pump link to each other, is equipped with to overflow the passageway with the water inlet is linked together on rotary joint, it is linked together to overflow the high -pressure raceway that sets up in passageway and the through -hole at the rock -entering pole, the high pressure raceway is linked together with the cooling water passageway that sets up in the drill bit. The utility model has the advantages of being simple in structure and convenient in operation, not only can be with timely each the teeth or bit department that reachs of high -pressure cooling water, make the timely cooling that obtains of teeth or bit, keep its hardness, consequently, its life is longer, and the reliability is higher, and in the work progress through high pressure water pump continually provide the cooling water, make the utility model discloses a brill digs that efficiency is higher, life is longer.

Description

A kind of rotary pile-digging machine high pressure water injection enters rock and bores

Technical field

This utility model relates to the drilling tool of a kind of rotary pile-digging machine, particularly relates to a kind of rotary pile-digging machine high pressure water injection and enters rock brill.

Background technology

The rotary pile-digging machine of currently used various models, the most once runs into rock stratum, uses various drilling tool to wear rock the most very Difficulty, Fructus Ananadis comosi head drilling tool reaches the rock stratum of about 100Mpa to uniaxial compressive strength, 6-8 hour can 1 meter of left side of the rock drilling degree of depth The right side, rotary pile-digging machine core barrel bores, high intensity pick rotary bucket is higher for the requirement of rotary pile-digging machine moment of torsion and extremely inefficient, Under Part load per hour drilling depth less than 0.3 meter, it is necessary to suspend rock drilling and also cool down, if not cooling and continuous firing, Because of the rock ballast in drill flute and the clogging drill flute of stone powder, make the current in stake holes can not go downwards to bore at tooth, thus cause brill dry tooth to rub Wiping, temperature drastically raises, and ultimately results in brill tooth Fast Wearing, and therefore its rock drilling cost is high, and rock speed is worn in impact.Existing Water filling becomes the multi-functional rock brill of wearing of tooth to be needed drilling tool is configured injector, although it can comparatively fast wear rock, but it is during rock drilling By the water that is arranged in injector, drill bit being realized cooling, its structure is the most complicated, and once the cooling water in injector is not Foot, needs that whole injector is promoted to hole and carries out water filling, waste time and energy, troublesome poeration.It addition, when rock stratum is harder, dig When driving degree is slower, owing to the process of injector and the process of drilling tool are identical, the same process of piston rod causing injector is relatively slow, Thereby resulting in the hydraulic pressure in injector the most out, cause chilled(cooling) water supply (CWS) insufficient, the service life of tooth is bored in impact.

Boring additionally, rising pouring water in hole becomes the multi-functional rock of wearing of tooth, because of the restriction of the self structure of drilling tool, stake machine operator can not be effective The degree of depth of ground keyhole, often can occur the situation of drilling excessive damage drilling tool, even result in the generation of work safety accident.

Utility model content

Technical problem to be solved in the utility model be for above-mentioned prior art exist not enough provide a kind of simple in construction, High and length in service life the rotary pile-digging machine high pressure water injection of easy to operate, rock drilling speed enters rock and bores.

The technical scheme that this utility model is used is: a kind of rotary pile-digging machine high pressure water injection enters rock and bores, including the brill being sequentially connected Bar, rotary valve, entering rock bar, drill bit, described rotary valve includes swivel joint and at the valve seat being sleeved on outside swivel joint, and it is special Levying and be: be provided with water inlet on valve seat and be connected with high-pressure water pipe, described high-pressure water pipe is connected with high-pressure hydraulic pump, at swivel joint It is provided with the flow channels being connected with water inlet, described flow channels and the high pressure water transport pipe phase arranged in the through hole entering rock bar Connection, described high pressure water transport pipe is connected with the cooling-water duct arranged in drill bit, is provided with outer casing in valve seat periphery, described Valve seat is connected with outer casing sliding by axial slip mechanism.

By technique scheme, the two ends of described swivel joint are respectively by square head bindiny mechanism and drilling rod with enter rock bar and be connected.

By technique scheme, described square head bindiny mechanism includes four directions plug, connects seat, is provided with cubic inserting connecting on seat Hole, described four directions plug is inserted in the jack of four directions, offers radially in the joint portion of the cubic jack with four directions plug that connect seat Location jack hole, in the jack hole of location, be fixed with fastening connection piece, described connection seat and cubic plug are also by axially arranged Securing member connect.

By technique scheme, it is installed on locating part entering on rock bar, spacing for the bit drill drilling degree of depth, described limit The outside dimension of position part is more than the external diameter of drill bit.

By technique scheme, described locating part is the conical limit dish that male cone (strobilus masculinus) is the most up big and down small.

By technique scheme, described drill bit is bit drill, and it includes that pick is installed set, pick mounting seat and installs at pick The pick installed on seat, is provided with four directions bellmouth in pick installs set, and the upper end of described pick mounting seat is four directions conical head, Described four directions conical head matches with four directions bellmouth.

By technique scheme, being circumferentially fixed with flexible supporting frames on the lower end of valve seat, described flexible supporting frames includes footpath To the elastic fulcrum bar arranged, it is provided with spherical termination, described spherical termination and outer casing inwall phase configuration in the front end of elastic fulcrum bar.

By technique scheme, the two ends of described valve seat are respectively by bearing and swivel joint phase configuration, and described bearing is that graphite closes Gold self lubricating bearing.

By technique scheme, between bearing and end cap, it is installed on sealing adjustment mechanism.

By technique scheme, pressing plate that described sealing adjustment mechanism includes setting gradually, the first sealing ring, the second sealing ring, Described first sealing ring longitudinal section is square seal ring, and the second sealing ring longitudinal section is circular, and end cap will by securing member and pressing plate First sealing ring and the second sealing ring are fitted on bearing face.

By technique scheme, described axial slip mechanism is included on outer casing the axial slide arranged and arranges in valve seat periphery Radial slippage support, described slippage bracket and axial slide phase configuration.

By technique scheme, described outer casing is the outer casing of double-layer hollow formula, and the lower end of casing is only circumferentially with zigzag outside Turn tooth.

Having the beneficial effect that acquired by this utility model

1, this utility model simple in construction, easy and simple to handle, be possible not only to send to high-pressure cooling water timely drill bit respectively bores tooth Place, makes brill tooth be cooled timely, keeps its hardness, and therefore, its service life is longer, and reliability is higher；And Work progress carries Cooling Water endlessly by high-pressure hydraulic pump, it is ensured that each tooth that bores obtains lasting cooling, makes this practicality new The drilling of type is in hgher efficiency；

2, connected by square head bindiny mechanism, sufficiently deliver and be also greatly improved while rotating the moment of torsion that stake machine provides The intensity connected, even if caving in stake holes, rotary pile-digging machine also can prevent from losing brill the most timely outside drilling tool proposition hole The generation of situation, improves its reliability connected；

3, by arranging locating part, after drilling depth reaches certain stroke, enter talus cone shape limiting plate and can be supported on boring hole Mouthful, thus giving one counteracting force the biggest of rotary pile-digging machine drilling rod, rotary pile-digging machine operator will obtain Overstroke timely Signal, promote drilling rod timely, thus be effectively protected bit drill and be not damaged by；

4, pick is installed to overlap and is connected by four directions pyramidal structure with pick mounting seat, is not only tightly combined, does not comes off, and And the mode that mutually both weld mutually the most than ever, the bit drill of this version, install and dismantle very simple, single just may be used Complete, be greatly improved efficiency of construction and maintenance efficiency；

5, outer casing is arranged to double-layer hollow structure, on the one hand adds the weight of outer casing, add outer casing and rock Between frictional force, on the other hand prevent valve seat to rotate further, be possible to prevent it to deform, cause flexible supporting frames with Outer casing does not contacts, thus causes the possibility that valve seat deflects.

Accompanying drawing explanation

Fig. 1 is structure chart of the present utility model.

Fig. 2 is top view of the present utility model.

Fig. 3 is Construction State schematic diagram of the present utility model.

Fig. 4 is the structural representation of swivel joint.

Fig. 5-Fig. 6 is the three-dimensional structure diagram of upper connecting base.

Fig. 7 is the structural representation of connection dish.

Fig. 8-Fig. 9 is the structural representation of lower connecting base.

Figure 10 is the structural representation of sealing adjustment mechanism in this utility model.

Detailed description of the invention

The utility model is described in further detail below in conjunction with the accompanying drawings.

As Figure 1-3, present embodiments provide a kind of rotary pile-digging machine high pressure water injection and enter rock brill, including the drilling rod being sequentially connected 1, rotary valve, enter rock bar 7, drill bit, described rotary valve includes swivel joint 3 and the valve seat being sleeved on outside swivel joint 3 19, the two ends of described swivel joint 3 and valve seat 19 are installed on bearing 20 and end cap respectively, and make valve seat 19 by end cap Being connected as a single entity with swivel joint 3, swivel joint 3 can rotate under the drive of drilling rod 1 in valve seat 19, wherein, and bearing 20 can be graphite alloy self lubricating bearing, and its greasy property is good, and service life is long.Valve seat 19 is provided with water inlet 21, outside rotary pile-digging machine, be configured with Mainspring type power capstan 15,9Mpa high-pressure hydraulic pump 16, water tank 17, high-pressure water pipe 13 with The outlet of high-pressure hydraulic pump 16 is connected, and is carried by Mainspring type power capstan 15, and through rotary pile-digging machine unit head 14 outer wall On directive wheel 12 guide after be connected with water inlet 21.Swivel joint 3 is provided with the circulation excessively being connected with water inlet 21 Road, described flow channels is included in the radial water that the water annulus 22 of swivel joint 3 periphery setting is connected with water annulus Road and the axial water channel being connected with radial direction water channel, and it is positioned at the upper and lower of water annulus 22 in the periphery of swivel joint 3 respectively It is provided with dynamic seal ring 23.Being provided with high pressure water transport pipe 18 in the centre bore entering rock bar 7, the upper end of high pressure water transport pipe 18 is with axial Water channel is connected, and lower end is connected with cooling Shui Tong 24 road arranged in bit drill, is only provided with on high pressure water transport pipe 18 Return valve, prevent the sewage backflow in stake holes.Be provided with outer casing 11 in valve seat 19 periphery, described valve seat 19 passes through axial slip Mechanism is connected with outer casing 11 axial slip, described axial slip mechanism be included in outer casing 11 be provided with axially directed slideway and The 4 radially-protruding slippage brackets 4 arranged in valve seat 19 periphery, the external end head of described slippage bracket 4 is embedded axially directed In slideway, during downward rock drilling, described slippage bracket 4 is along outer casing 11 axial slip.On the outer wall of valve seat 19 Circumferentially being fixed with flexible supporting frames 5, described flexible supporting frames 5 includes the elastic fulcrum bar being radially arranged, described elastic fulcrum bar Front end spherical termination is set, described spherical termination and outer casing 11 inwall phase configuration, be used for preventing valve seat 19 from deflecting.

In the present embodiment, as shown in Fig. 4 to Fig. 9, the two ends of described swivel joint 3 are respectively by square head bindiny mechanism and brill Bar 1 is connected with entering rock bar 7.Described square head bindiny mechanism includes four directions plug 25, connects seat, is provided with four connecting on seat Side's jack, described four directions plug 25 is inserted in the jack of four directions, offers radially connecting the seat joint portion with four directions plug Location jack hole 26, is fixed with fastening connection piece in the jack hole 26 of location, and fastening connection piece can be pin, can also be Bolt, according to depending on actual condition.Wherein, the connection seat being arranged on swivel joint 3 upper end is upper connecting base 3, in upper connection The upper end of seat 3 is provided with square boss, and it is internal that this square boss is inserted into square kelly 1, and is welded and fixed with square kelly 1. Described upper connecting base 3 is fastenedly connected also by axial bolt 27 with four directions plug.Wherein, swivel joint 3 lower end it is arranged on Connecting seat is lower connecting base 6, and its upper end is connected with swivel joint 3 by connection dish 28, and lower end is provided with annular groove, described The lower end of lower connecting base 6 is inserted in rock bar 7, and is welded and fixed with it.By arranging square head bindiny mechanism, improve Bonding strength of the present utility model, sufficiently delivers and is also greatly improved the strong of connection while rotating the moment of torsion that stake machine provides Degree, even if caving in stake holes, rotary pile-digging machine also can propose drilling tool outside hole the most timely, prevents from losing sending out of brill situation Raw, improve its reliability connected.

In the present embodiment, as shown in Figure 10, being installed on sealing adjustment mechanism between bearing 20 and end cap, described sealing regulates Mechanism includes pressing plate the 32, first sealing ring the 31, second sealing ring 30 set gradually, described first sealing ring 31 longitudinal section For square seal ring, the second sealing ring 30 longitudinal section is circular, and end cap passes through securing member and pressing plate 32 by the first sealing ring 31 It is fitted on bearing face with the second sealing ring 30.Owing to the first sealing ring 31 and the second sealing ring 30 have elasticity, when two When sealing ring has abrasion, the securing member covered by adjustable side, make pressing plate compress two sealing rings further, thus ensure that rotation connects Sealing property in Tou.

In the present embodiment, in order to enable effectively to control the degree of depth that drill bit excavates, preventing holes exceed the degree of depth of restriction after damage, Entering rock bar and be provided with locating part 8, the outside dimension of described locating part 8 is more than the external diameter of drill bit.Described locating part 8 can be outer cone Ventricumbent up big and down small conical limit dish.After drilling depth reaches certain stroke, locating part 8 can be supported on boring hole Mouthful, thus giving one counteracting force the biggest of rotary pile-digging machine drilling rod, rotary pile-digging machine operator will obtain Overstroke timely Signal, promote drilling rod timely, thus effectively prevent bit drill damaged.

In the present embodiment, described drill bit is bit drill, and it includes that pick is installed set 9, pick mounting seat 10 and pacifies at pick Being installed on pick on dress seat, be provided with four directions bellmouth in pick installs set 9, the upper end of described pick mounting seat 10 is four directions Conical head, described four directions conical head is inserted in the bellmouth of four directions, and this fit system combines more to come both after work pressurization The tightest, do not come off.Pick installs the mode that set welds mutually with pick mounting seat the most than ever, and the pick of this version bores Head, installs and dismantles very simple, single just can complete, and is greatly improved efficiency of construction and maintenance efficiency.

In the present embodiment, by described, outer casing 11 is arranged to double-layer hollow structure, on the one hand adds the weight of outer casing, Add the frictional force between outer casing and rock, prevent valve seat to rotate further, on the other hand prevent it from deforming, lead Cause flexible supporting frames not contact with outer casing, thus cause the possibility that valve seat rotates, at double-layer hollow formula casing 11 outward Lower end is circumferentially with jagged baffle teeth, to increase the frictional force between outer casing 11 and rock.

During construction, starting rotation and dig main frame, rotation is dug main frame and is driven main winch and drilling rod 1 that this utility model is put into construction hole Mouthful, rotary pile-digging machine is pressurizeed by its unit head and rotates, and rotary drilling rig, during rock drilling, enters rock bar 7 and bit drill is opened The downward rock drilling that begins and ring turn, and meanwhile, staff opens high-pressure hydraulic pump switch, start to supply water to bit drill, cooling water source source Constantly spray at pick, make each pick be adequately cooled cooling in time.Meanwhile, it is located owing to outer casing is static On face, rock stratum, will be produced a kind of frictional resistance by the friction of its gravity (normal pressure that scar is subject to) Yu this rock stratum, this rubs Wipe resistance and can pass to valve seat 19 by slippage bracket, prevent valve seat from rotating, in addition, then by flexible supporting frames 5 Only lead, valve seat can be stoped further to rotate, prevent high-pressure water pipe to be wrapped on drilling rod.When rock of wearing of the present utility model is drilled into After certain depth, locating part 8 can be supported on boring hole, thus gives one counteracting force the biggest of rotary pile-digging machine drilling rod, and rotation is dug Stake machine operator will obtain the signal of Overstroke timely, promotes drilling rod timely, installs borehole-enlarging drilling tool the most again additional and carry out Follow-up rock drilling reaming.

Claims

1. a rotary pile-digging machine high pressure water injection enters rock brill, including the drilling rod being sequentially connected, rotary valve, enter rock bar, drill bit, described rotary valve includes swivel joint and at the valve seat being sleeved on outside swivel joint, it is characterized in that: on valve seat, be provided with water inlet be connected with high-pressure water pipe, described high-pressure water pipe is connected with high-pressure hydraulic pump, swivel joint is provided with the flow channels being connected with water inlet, described flow channels is connected with the high pressure water transport pipe arranged in the through hole entering rock bar, described high pressure water transport pipe is connected with the cooling-water duct arranged in drill bit, it is provided with outer casing in valve seat periphery, described valve seat is connected with outer casing sliding by axial slip mechanism.

A kind of rotary pile-digging machine high pressure water injection the most according to claim 1 enters rock and bores, it is characterised in that: the two ends of described swivel joint are respectively by square head bindiny mechanism and drilling rod with enter rock bar and be connected.

A kind of rotary pile-digging machine high pressure water injection the most according to claim 2 enters rock and bores, it is characterized in that: described square head bindiny mechanism includes four directions plug, connects seat, four directions jack it is provided with on seat connecting, described four directions plug is inserted in the jack of four directions, location jack hole radially is offered in the joint portion of the cubic jack with four directions plug that connect seat, being fixed with fastening connection piece in the jack hole of location, described connection seat is connected also by axially arranged securing member with four directions plug.

A kind of rotary pile-digging machine high pressure water injection the most according to claim 1 and 2 enters rock and bores, it is characterised in that: being installed on locating part entering on rock bar, spacing for the bit drill drilling degree of depth, the outside dimension of described locating part is more than the external diameter of drill bit.

A kind of rotary pile-digging machine high pressure water injection the most according to claim 4 enters rock and bores, it is characterised in that: described locating part is the conical limit dish that male cone (strobilus masculinus) is the most up big and down small, and described conical limit dish is fixed on rock bar.

A kind of rotary pile-digging machine high pressure water injection the most according to claim 1 and 2 enters rock and bores, it is characterized in that: described drill bit is bit drill, it includes that pick installs set, pick mounting seat and the pick installed in pick mounting seat, four directions bellmouth it is provided with in pick installs set, the upper end of described pick mounting seat is four directions conical head, and described four directions conical head matches with four directions bellmouth.

A kind of rotary pile-digging machine high pressure water injection the most according to claim 1 and 2 enters rock and bores, it is characterized in that: on the lower end of valve seat, be circumferentially fixed with flexible supporting frames, described flexible supporting frames includes the elastic fulcrum bar being radially arranged, spherical termination, described spherical termination and outer casing inwall phase configuration it is provided with in the front end of elastic fulcrum bar.

A kind of rotary pile-digging machine high pressure water injection the most according to claim 1 and 2 enters rock and bores, it is characterised in that: the two ends of described valve seat are respectively by bearing and end cap and swivel joint phase configuration, and described bearing is graphite alloy self lubricating bearing.

A kind of rotary pile-digging machine high pressure water injection the most according to claim 1 and 2 enters rock and bores, it is characterized in that: described axial slip mechanism is included on outer casing the axial slide arranged and the radially-protruding slippage bracket arranged in valve seat periphery, described slippage bracket and axial slide phase configuration.

A kind of rotary pile-digging machine high pressure water injection the most according to claim 1 and 2 enters rock and bores, it is characterised in that: described outer casing is the outer casing of double-layer hollow formula, and the lower end of casing is circumferentially with zigzag baffle teeth outside.