CN208280894U - A kind of crushing power head of rotatable impact - Google Patents
A kind of crushing power head of rotatable impact Download PDFInfo
- Publication number
- CN208280894U CN208280894U CN201820868043.5U CN201820868043U CN208280894U CN 208280894 U CN208280894 U CN 208280894U CN 201820868043 U CN201820868043 U CN 201820868043U CN 208280894 U CN208280894 U CN 208280894U
- Authority
- CN
- China
- Prior art keywords
- guide sleeve
- drill steel
- shell
- power head
- crushing power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model relates to a kind of crushing power head of rotatable impact, the crushing power head of the rotatable impact, including rotate broken portion, driving portion and broken hammer portion；The broken portion of rotation includes shell, is sheathed in shell and front end is pierced by the drill steel of shell and is set to the guide sleeve on drill steel by inner spline housing；Guide sleeve passes through the spring bearing being arranged thereon and is rotationally connected in shell；Driving portion drives drill steel to rotate around the circumferencial direction of its own by the rotation of driving guide sleeve；Broken hammer portion drives drill steel to release the hard barrier of impact forward.The crushing power head has the function of impact in rotation, can steady crushing hard barrier, work efficiency is high, long service life.
Description
Technical field
The utility model relates to a kind of crushing power heads of rotatable impact, belong to engineering machinery field.
Background technique
Core component of the engineering driller power head as drilling machine, major function are the torque and revolving speed transmitting needed for turning round
To drill bit, realizes drill bit continuous crushing rock and extend drilling depth.Recently as domestic railway, highway bridge, skyscraper
Equal construction projects are greatly developed, and the use of engineering driller becomes more frequently, to the stability and work quality of drilling machine operation
It also has higher requirement.And the reformed AHP as drilling machine core component power head, it can be very good the work for improving drilling machine
Performance leans on motor-driven mechanical power head relative to traditional, and hydraulic power head has the advantages that more.
It is hydraulic dynamic that the Chinese patent that Authorization Notice No. is CN201288500Y discloses a kind of rotary digging drilling hole with vibrator
Hydraulic vibrator, hydraulic power head is arranged in power head, the hydraulic power head upper part being made of hydraulic motor, retarder and rotation axis
Hydraulic motor its oil inlet pipe, oil return pipe and draining recovery tube be connected to the fuel tank on main body, the oil inlet pipe of hydraulic vibrator
It is connected to by control valve with hydraulic motor oil inlet pipe, oil return pipe is connected to by check valve with hydraulic motor oil return pipe.It exists
The problem of be: when power head encounters hard barrier, hydraulic motor needs the resistance that overcomes very big, reduces work effect
Rate, and can if things go on like this reduce the service life of hydraulic motor He the hydraulic power head.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of crushing power head of rotatable impact, this is broken
Power head has the function of impact in rotation, can steady crushing hard barrier, work efficiency is high, long service life.
The technical solution of the utility model is as follows:
A kind of crushing power head of rotatable impact, including rotate broken portion, driving portion and broken hammer portion；Rotate broken portion
Including shell, be sheathed in shell and front end be pierced by shell drill steel and by inner spline housing be set to drill steel on guide sleeve；
Guide sleeve passes through the spring bearing being arranged thereon and is rotationally connected in shell；Driving portion is driven by the rotation of driving guide sleeve
Drill steel is rotated around the circumferencial direction of its own；Broken hammer portion drives drill steel to release the hard barrier of impact forward.
Wherein, the driving portion includes the gear wheel being set on guide sleeve by inner spline housing, is respectively arranged on gear wheel two
Pinion gear that side is engaged with the gear wheel and two horizontal hydraulic motors for being fixed on shell two sides respectively；Two hydraulic motors
Shaft is fixedly connected with two pinion gears middle part respectively.
Wherein, the broken hammer portion includes the energy storage of hydraulic cylinder, nitrogen chamber and pressure and vibration in buffering hydraulic circuit
Piston rod front end in device, drill steel rear end and hydraulic cylinder is against the piston on piston rod will be divided into ante-chamber with after in hydraulic cylinder
Chamber, nitrogen chamber is located at the rear portion of hydraulic cylinder and piston rod rear end protrudes into nitrogen chamber；Rear end circumferential surface and the nitrogen chamber of piston rod are opened
Mouth sealed set；Reversing three-way valve is arranged in the top of hydraulic cylinder；Reversing three-way valve control back cavity is switched on or switched off high pressure oil, realizes
The reciprocating motion of piston rod.
Wherein, the guide sleeve includes the first guide sleeve and the second guide sleeve that front and back is arranged；Before first guide sleeve includes
The placket and rear cylinder being coaxially disposed afterwards；Cylinder internal diameter is greater than placket afterwards, and placket rear end, which is arranged, to be fixed in rear cylinder front end, the second guiding
The front end outer wall of set is to contract and is sheathed in rear cylinder, and the front end face of the second guide sleeve inside rear cylinder is provided with block
Ring；Block ring set is set on drill steel；The gear wheel is sheathed on the junction of rear cylinder and the second guide sleeve.
Wherein, the drill steel periphery positioned at guide sleeve front is fixed with the positive stop lug boss that limitation drill steel is pierced by shell.
Wherein, two thrust bearings being arranged with outside the guide sleeve, the outer wall of thrust bearing is fixedly connected with inner walls,
Two thrust bearings are sheathed on placket lateral wall the second guide sleeve lateral wall respectively.
Wherein, the quantity of the spring bearing is two, and fixing sleeve is set to the first guide sleeve lateral wall and second respectively
The lateral wall of guide sleeve.
Wherein, the lower end surface for rotating broken portion, driving portion and broken hammer portion is fixed on a horizontal attachment base；Even
Several jointings are provided on joint chair.
Wherein, the housing forward end is provided with the water blocking axle sleeve being sheathed on drill steel；The rear end face and shell of water blocking axle sleeve
Front end face is fixedly connected.
The utility model has the following beneficial effects:
1, the utility model is provided with the broken portion of rotation and broken hammer portion, which has rotary drilling broken and hydraulic
Push to bore and break two kinds of crumbling methods, can steady crushing hard barrier, work efficiency is high, long service life.
2, the utility model is rotated by being set to the pinion gear drive gear wheel of gear wheel two sides, is symmetrical arranged so that rotation
Turn being more uniformly stressed for broken portion's first half.
3, the setting of the utility model the first guide sleeve, the second guide sleeve, block ring and thrust bearing, enables to shell
Resistance suffered by drill steel is digested, working efficiency is provided and is prolonged the service life.
4, the utility model is provided with water blocking axle sleeve, can inject water flow toward drill steel head in drilling, not only can be cold
High-speed rotating drill steel, moreover it is possible to effectively reduce dust.
5, the utility model is provided with attachment base and jointing, and the crushing power head is facilitated to connect with mobile device.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the overlooking structure diagram of Fig. 1 of the utility model；
Fig. 3 is the diagrammatic cross-section along line A-A of Fig. 2 of the utility model；
Fig. 4 is the gear wheel of the utility model and the mesh schematic representation of pinion gear；
Fig. 5 is the partial enlargement diagram at the B of Fig. 2.
Fig. 6 is the broken hammer portion operation schematic diagram of the utility model；
Appended drawing reference indicates in figure are as follows:
1, broken portion is rotated；11, shell；12, drill steel；13, guide sleeve；131, the first guide sleeve；132, the second guide sleeve；
133, placket；134, rear cylinder；135, block ring；14, spring bearing；2, driving portion；21, gear wheel；22, pinion gear；23, hydraulic
Motor；3, it is crushed hammer portion；31, hydraulic cylinder；32, nitrogen chamber；321, accumulator；33, piston rod；330, piston；34, ante-chamber；35,
Back cavity；36, reversing three-way valve；4, thrust bearing；5, attachment base；6, jointing；7, water blocking axle sleeve；81, positive stop lug boss；83,
Oil pump.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
The direction E (i.e. the direction of the stretching of drill steel 12 shell 11) in Fig. 1 that " preceding " refers in the present embodiment, " rear " refers to
The direction F (i.e. 32 direction of nitrogen chamber) in Fig. 1.
Referring to Fig. 1-5, a kind of crushing power head of rotatable impact, including rotate broken portion 1, driving portion 2 and quartering hammer
Portion 3；The broken portion 1 of rotation includes shell 11, is sheathed in shell 11 and front end is pierced by the drill steel 12 of shell 11 and by interior flower
Key is sheathed on the guide sleeve 13 on drill steel 12；Drill steel 12 can move in the axial a certain range of guide sleeve 13；Guide sleeve 13 passes through
The spring bearing 14 being arranged thereon is rotationally connected in shell 11；12 periphery of drill steel positioned at 13 front of guide sleeve is fixed with
Limitation drill steel 12 is pierced by the positive stop lug boss 81 of 11 length of shell；Driving portion 2 drives drill steel 12 by the rotation of driving guide sleeve 13
Circumferencial direction around its own rotates；Broken hammer portion 3 drives drill steel 12 to release the hard barrier of impact forward；Driving portion 2 includes
By inner spline housing be set to guide sleeve 13 on gear wheel 21, be respectively arranged on what 21 two sides of gear wheel were engaged with the gear wheel 21
Pinion gear 22 and two horizontal hydraulic motors 23 for being fixed on 11 two sides of shell respectively；The axial length of pinion gear 22 is greater than canine tooth
The axial length of wheel 21；In the case where not influencing gear wheel 21 and pinion gear 22 is intermeshed, gear wheel 21 has certain axis
To mobile space；The shaft of two hydraulic motors 23 is fixedly connected in the middle part of two pinion gears 22 respectively；Broken hammer portion 3 includes hydraulic cylinder
31, the work in the accumulator 321 of nitrogen chamber 32 and pressure and vibration in buffering hydraulic circuit, 12 rear end of drill steel and hydraulic cylinder 31
33 front end of stopper rod is against the piston 330 on piston rod 33 will be divided into ante-chamber 34 and back cavity 35 in hydraulic cylinder 31, nitrogen chamber 32 is set
Hydraulic cylinder 31 rear portion and 33 rear end of piston rod protrude into nitrogen chamber 32；The rear end circumferential surface and nitrogen chamber 32 of piston rod 33 are open
Sealed set；Reversing three-way valve 36 is arranged in the top of hydraulic cylinder 31；Reversing three-way valve 36 controls back cavity 35 and is switched on or switched off high pressure
Oil realizes the reciprocating motion of piston rod 33.
Referring to Fig. 6, the course of work of the broken hammer portion 3: oil pump 83 works, when 36 or so position of reversing three-way valve is connected,
Ante-chamber 34 leads to high pressure oil, and back cavity 35 takes back oil, under the action of 34 pressure oil of ante-chamber, 330 backhaul of piston, when backhaul a to positioning
When setting, reversing three-way valve 36 is fed back to, reversing three-way valve 36 connects left position, and back cavity 35 connects high pressure oil, at this time ante-chamber 34 and back cavity 35
It is all high pressure oil, but because rear end area is greater than 330 front end area of piston, piston 330 is stroke.After piston rod 33 stretches out, change
To 36 return of triple valve, 31 return of hydraulic cylinder.
Referring to Fig. 3 and Fig. 5, the guide sleeve 13 includes the first guide sleeve 131 and the second guide sleeve 132 of front and back setting；
First guide sleeve 131 includes the placket 133 and rear cylinder 134 of front and back coaxial arrangement；134 internal diameter of cylinder is greater than placket 133, placket afterwards
133 rear ends, which are arranged, to be fixed in rear 134 front end of cylinder, and the front end outer wall of the second guide sleeve 132 to contract and is sheathed on rear cylinder 134
Interior, the front end face of the second guide sleeve 132 inside rear cylinder 134 is provided with block ring 135；Block ring 135 is sheathed on drill steel
On 12；The gear wheel 21 is sheathed on the junction of rear cylinder 134 and the second guide sleeve 132.
Referring to Fig. 3, two thrust bearings 4, the outer wall and 11 inner wall of shell of thrust bearing 4 are arranged with outside the guide sleeve 13
It is fixedly connected, two thrust bearings 4 are sheathed on 133 the second guide sleeve of lateral wall of placket, 132 lateral wall respectively.It is provided with thrust axis
Axial load can more preferably be born by holding 4, extend the service life of device.
Referring to Fig. 3, the quantity of the spring bearing 14 is two, and fixing sleeve is set to 131 outside of the first guide sleeve respectively
The lateral wall of wall and the second guide sleeve 132.
Referring to Fig. 1-4, external screw thread is provided on the head outer wall of the front end of the drill steel 12.
Referring to Fig. 1-4, a horizontal company is fixed in the lower end surface for rotating broken portion 1, driving portion 2 and broken hammer portion 3
On joint chair 5；Several jointings 6 are provided on attachment base 5.The crushing power head is facilitated to connect with mobile device.
Referring to Fig. 1,11 front end of shell is provided with the water blocking axle sleeve 7 being sheathed on drill steel 12；The rear end of water blocking axle sleeve 7
Face is fixedly connected with 11 front end face of shell.Water flow can be injected toward 12 head of drill steel in drilling, can not only cool down high speed and revolve
12 head of drill steel turned, moreover it is possible to effectively reduce dust.
The working principle of the utility model is implemented as follows:
Rotary drilling is broken: two hydraulic motors 23 work, and pinion gear 22 rotates, and rotation drives gear wheel 21 to rotate；Gear wheel
21 drive guide sleeve 13 to rotate, and guide sleeve 13 drives drill steel 12 to rotate；The mobile device of host drives the crushing power head simultaneously
Whole to move forward, drill steel 12, which is advanced, to drill；
Rotary drilling and broken: when the head of drill steel 12 encounters forward hard barrier or thick and solid soil layer when above-mentioned rotary drilling；
Drill steel 12 moves back, and artificially starting oil pump 83 works at this time；Hydraulic motor 23 works on simultaneously；34 oil inlet of ante-chamber；Back cavity 35 goes out
Oil, piston rod 33 move backward, 32 air pressure of compressed nitrogen gas chamber, so that 32 pressure of nitrogen chamber increases, subsequent reversing three-way valve 36 is changed
To, 35 oil inlet of back cavity, piston rod 33 is quickly pushed ahead under oil pressure and gas pressure, make under 12 high speed rotation state of drill steel to
Sinciput completes one-shot, 12 head of drill steel is enable to break through barrier rapidly；It is filled with nitrogen inside accumulator 321 simultaneously,
The energy storage that remaining energy and piston rod 33 are recoiled when preceding primary strike, it is same when second strike
When release energy, increase striking capabilities；
Resistance is eliminated: active force being transmitted by drill steel 12 by lithosphere or the resistance of soil layer on the head of drill steel 12
To block ring 135, active force is transmitted to the first guide sleeve 131 and the second guide sleeve 132, the first guide sleeve 131 by block ring 135
Active force is transmitted at thrust bearing 4 again with the second guide sleeve 132, the resistance being subject to by the head that shell 11 digests drill steel 12
Power.
Above-mentioned rotary drilling is broken, rotary impact is broken and resistance elimination is that under the utility model normal operating conditions while having
Standby function, working morphology not independent.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (9)
1. a kind of crushing power head of rotatable impact, it is characterised in that: including rotating broken portion (1), driving portion (2) and being crushed
Hammer portion (3)；Rotation broken portion (1) includes shell (11), is sheathed in shell (11) and front end is pierced by the drill steel of shell (11)
(12) and by inner spline housing it is set to the guide sleeve (13) on drill steel (12)；Guide sleeve (13) passes through the support being arranged thereon
Bearing (14) is rotationally connected in shell (11)；Driving portion (2) by driving guide sleeve (13) rotation come drive drill steel (12) around
The circumferencial direction rotation of its own；Broken hammer portion (3) drive drill steel (12) to release the hard barrier of impact forward.
2. the crushing power head of rotatable impact according to claim 1, it is characterised in that: the driving portion (2) includes
By inner spline housing be set to guide sleeve (13) on gear wheel (21), be respectively arranged on gear wheel (21) two sides and the gear wheel
(21) pinion gear (22) engaged and two respectively level be fixed on the hydraulic motor (23) of shell (11) two sides；Two hydraulic motors
(23) shaft is fixedly connected with two pinion gears (22) middle part respectively.
3. the crushing power head of rotatable impact according to claim 2, it is characterised in that: broken hammer portion (3) packet
Include the accumulator (321) of hydraulic cylinder (31), nitrogen chamber (32) and pressure and vibration in buffering hydraulic circuit, drill steel (12) rear end
With piston rod (33) front end in hydraulic cylinder (31) against the piston (330) on piston rod (33) will separate in hydraulic cylinder (31)
For ante-chamber (34) and back cavity (35), nitrogen chamber (32) is located at the rear portion of hydraulic cylinder (31) and piston rod (33) rear end and protrudes into nitrogen chamber
(32) in；The rear end circumferential surface of piston rod (33) and nitrogen chamber (32) opening sealed set；Commutation is arranged in the top of hydraulic cylinder (31)
Triple valve (36)；Reversing three-way valve (36) control back cavity (35) is switched on or switched off high pressure oil, realizes the reciprocal fortune of piston rod (33)
It is dynamic.
4. the crushing power head of rotatable impact according to claim 3, it is characterised in that: the guide sleeve (13) includes
The first guide sleeve (131) and the second guide sleeve (132) of front and back setting；First guide sleeve (131) includes what front and back was coaxially disposed
Placket (133) and rear cylinder (134)；Cylinder (134) internal diameter is greater than placket (133) afterwards, and placket (133) rear end, which is arranged, is fixed on rear cylinder
(134) in front end, the front end outer wall of the second guide sleeve (132) to contract and is sheathed in rear cylinder (134), is located at rear cylinder
(134) front end face of internal the second guide sleeve (132) is provided with block ring (135)；Block ring (135) is sheathed on drill steel (12)
On；The gear wheel (21) is sheathed on the junction of rear cylinder (134) and the second guide sleeve (132).
5. the crushing power head of rotatable impact according to claim 1, it is characterised in that: be located at guide sleeve (13) front
Drill steel (12) periphery be fixed with limitation drill steel (12) and be pierced by the positive stop lug boss (81) of shell (11).
6. the crushing power head of rotatable impact according to claim 4, it is characterised in that: guide sleeve (13) housing
If the outer wall of thrust bearing (4) is fixedly connected with shell (11) inner wall there are two thrust bearing (4), two thrust bearings (4) point
It is not sheathed on placket (133) the second guide sleeve of lateral wall (132) lateral wall.
7. the crushing power head of rotatable impact according to claim 4, it is characterised in that: the spring bearing (14)
Quantity is two, and fixing sleeve is set to the lateral wall of the first guide sleeve (131) lateral wall and the second guide sleeve (132) respectively.
8. the crushing power head of rotatable impact according to claim 1, it is characterised in that: the rotation broken portion (1),
The lower end surface of driving portion (2) and broken hammer portion (3) is fixed on a horizontal attachment base (5)；It is provided on attachment base (5) several
Jointing (6).
9. the crushing power head of rotatable impact according to claim 1, it is characterised in that: shell (11) front end is set
It is equipped with the water blocking axle sleeve (7) being sheathed on drill steel (12)；The rear end face and shell (11) front end face of water blocking axle sleeve (7) are fixed to be connected
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820868043.5U CN208280894U (en) | 2018-06-06 | 2018-06-06 | A kind of crushing power head of rotatable impact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820868043.5U CN208280894U (en) | 2018-06-06 | 2018-06-06 | A kind of crushing power head of rotatable impact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208280894U true CN208280894U (en) | 2018-12-25 |
Family
ID=64705834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820868043.5U Active CN208280894U (en) | 2018-06-06 | 2018-06-06 | A kind of crushing power head of rotatable impact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208280894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625770A (en) * | 2018-06-06 | 2018-10-09 | 福建亿钻机械有限公司 | A kind of the crushing power head and its application method of rotatable impact |
-
2018
- 2018-06-06 CN CN201820868043.5U patent/CN208280894U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625770A (en) * | 2018-06-06 | 2018-10-09 | 福建亿钻机械有限公司 | A kind of the crushing power head and its application method of rotatable impact |
| CN108625770B (en) * | 2018-06-06 | 2024-03-22 | 福建亿钻机械有限公司 | Rotatable impact crushing power head and application method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201865568U (en) | Full-hydraulic multifunctional power head | |
| CN108915583B (en) | Mechanical composite impact drilling speed tool | |
| CN108625770A (en) | A kind of the crushing power head and its application method of rotatable impact | |
| CN105156027A (en) | Torsion impact speed accelerating device | |
| CN202990851U (en) | Screw type high-frequency percussion drilling tool | |
| CN105275405B (en) | The New Type of PDC Bit of efficiency of breaking rock is improved using percussion | |
| JP2011509189A (en) | Vibration hammer | |
| CN106837178A (en) | A kind of efficient three-dimensional impact drilling speed device | |
| WO2016101387A1 (en) | Disturbance rock-breaking drill tool and disturbance rock-breaking well drilling method | |
| CN104499937A (en) | Rock-penetrating water-filling cylindrical drill of rotary digging pile machine | |
| CN208966198U (en) | A kind of excavator formula shot-hole rig | |
| CN108798502A (en) | Screw composite impact device | |
| CN208280894U (en) | A kind of crushing power head of rotatable impact | |
| CN107905722A (en) | A kind of closed hydraulic drill | |
| CN112502609A (en) | Full-open type rotary-punching screw drill | |
| CN204225771U (en) | The embedding rock reaming bit of long auger guncreting pile | |
| CN208845097U (en) | A kind of composite impact drilling speed device | |
| CN207620705U (en) | A kind of closed hydraulic drill | |
| CN216240402U (en) | Hydraulic composite vibration impactor | |
| CN202485929U (en) | Hydraulic impact rotary milling device for geological grooving and sampling machine | |
| CN210509027U (en) | Hydraulic-pneumatic linkage rock drill | |
| CN210917533U (en) | Rock digging reamer utilizing air compression impact to assist in crushing | |
| CN205713951U (en) | A kind of apply the unit head using single direction thrust ball bearing on anchoring drilling machine | |
| CN111648723A (en) | Method and device for impacting motor by liquid power | |
| CN207829803U (en) | A kind of hydraulic drill double motor independence swing mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |