CN107971971A - A kind of device and its system for dismantling tamping pickaxe - Google Patents
A kind of device and its system for dismantling tamping pickaxe Download PDFInfo
- Publication number
- CN107971971A CN107971971A CN201711446490.8A CN201711446490A CN107971971A CN 107971971 A CN107971971 A CN 107971971A CN 201711446490 A CN201711446490 A CN 201711446490A CN 107971971 A CN107971971 A CN 107971971A
- Authority
- CN
- China
- Prior art keywords
- tamping pickaxe
- dismounting
- cylinder body
- tamping
- plunger
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
A kind of device and its system for dismantling tamping pickaxe, it relates generally to machinery equipment field.For the device of the dismounting tamping pickaxe by setting the cylinder body and piston that cooperate, the strength for borrowing Fluid-transmission dismantles tamping pickaxe, instead of traditional hand disassembly mode, improves tamping pickaxe removal efficiency, and more practical reliable；By setting limiter band on cylinder body, not only make the more consolidation that cylinder body is connected with tamping pickaxe firm, and stability during dismounting tamping pickaxe and success rate is improved；By setting hydraulic hand-pump and semi-automatic pneumatic press pump both driving devices in the system of dismounting tamping pickaxe, the device of dismounting tamping pickaxe is enabled according to the demand of operating mode flexibly adjust and adapt to, ensureing the device of dismounting tamping pickaxe has good operating mode adaptability and system stability.Therefore, the device of above-mentioned dismounting tamping pickaxe and its system have higher marketing application value.
Description
Technical field
The present invention relates to machinery equipment field, in particular to a kind of device and its system for dismantling tamping pickaxe.
Background technology
Fig. 1, Fig. 2 and Fig. 3 are refer to, in the prior art, tamping pickaxe isIt is straight flat, pick arm aperture isStraight hole and
There is a groove of a 4mm wide, tamping pickaxe during installationIt is cylindrical to be mounted in pick armIn, and with the bolt presses 4mm's of M20*1.5
Groove, firmly installs it；During dismounting, the bolt of M20*1.5 is first dismantled, then again with pick arm jackscrew in the hole of M16, is used
Spanner is tightened, until the groove of 4mm opens, then taps the pick metacarpus point of tamping pickaxe until tamping pickaxe is fallen down with copper rod.
It should be noted that at the scene by the prior art dismounting tamping pickaxe when, since position is limited, the factor more than quantity, lead
Cause labor workload big, work efficiency is slow, and it is also possible to tamping pickaxe can be damaged during tamping pickaxe is tapped.
The content of the invention
It is an object of the invention to provide a kind of device for dismantling tamping pickaxe, it can easily complete the dismounting work of tamping pickaxe
Make, it has the removal efficiency of higher compared to hand disassembly, and more practical reliable.
Another object of the present invention is to provide a kind of system for dismantling tamping pickaxe, it includes the dress of above-mentioned dismounting tamping pickaxe
Put, it has the advantages that the every of the device of above-mentioned dismounting tamping pickaxe.
What the embodiment of the present invention was realized in：
A kind of device for dismantling tamping pickaxe, it includes cylinder body and is contacted with the matched plunger of cylinder body, cylinder body relative to tamping pickaxe
The groove for being used to carry out cylinder body axially position to match with tamping pickaxe boss, the movable end direction of plunger are provided with the inside of face
The connecting pin of tamping pickaxe, and tamping pickaxe is dismantled by the end face of the pick arm where the end that is connected during flexible.
Further, in preferred embodiments of the present invention, above-mentioned cylinder body is in crescent.
Further, in preferred embodiments of the present invention, the circumferential radian of above-mentioned cylinder body is more than or equal to 180 °.
Further, in preferred embodiments of the present invention, the number of above-mentioned plunger is multiple, and along the week of inner chamber of cylinder block
Arranged to array.
Further, in preferred embodiments of the present invention, the type of drive of above-mentioned plunger is oil pressure actuated.
Further, in preferred embodiments of the present invention, the number of above-mentioned plunger is 8, and circumferential along inner chamber of cylinder block
Array cloth postpones, and the axial radian of corresponding cylinder body is more than 180 °.
Further, in preferred embodiments of the present invention, the both ends of above-mentioned cylinder body, which are additionally provided with, to be used for cylinder body with smashing
Pick fixes the limiter band of locking.
A kind of system for dismantling tamping pickaxe, it includes the device of above-mentioned dismounting tamping pickaxe and the device with dismantling tamping pickaxe matches
Driving device.
Further, in preferred embodiments of the present invention, above-mentioned driving device is hydraulic hand-pump, hydraulic hand-pump with
Plunger is sequentially connected by cylinder hydraulic.
Further, in preferred embodiments of the present invention, above-mentioned driving device is semi-automatic gas press pump, semi-automatic air pressure
Pump is connected with plunger by cylinder body Pneumatic Transmission.
The beneficial effect of the embodiment of the present invention is：The device of dismounting tamping pickaxe provided in an embodiment of the present invention is mutual by setting
The cylinder body and piston of cooperation, the strength for borrowing Fluid-transmission dismantle tamping pickaxe, instead of traditional hand disassembly mode, carry
High tamping pickaxe removal efficiency, and it is more practical reliable.Therefore, it is provided in an embodiment of the present invention dismounting tamping pickaxe device and its
System possesses higher application value.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the planar structure schematic diagram at the first visual angle of the device for dismantling tamping pickaxe in the prior art；
Fig. 2 is the planar structure schematic diagram at the second visual angle of the device for dismantling tamping pickaxe in the prior art；
Fig. 3 is the cross section structure schematic diagram of the connection structure for the device for dismantling tamping pickaxe in the prior art；
Fig. 4 provides the planar structure schematic diagram under the first visual angle of the device of dismounting tamping pickaxe for first embodiment of the invention；
Fig. 5 provides the planar structure schematic diagram under the second visual angle of the device of dismounting tamping pickaxe for first embodiment of the invention；
Fig. 6 provides the top plan view structural representation of the connection structure of the device of dismounting tamping pickaxe for first embodiment of the invention
Figure；
Fig. 7 is the top plan view structural representation of the connection structure of the system for the dismounting tamping pickaxe that first embodiment of the invention provides
Figure；
Fig. 8 provides the planar structure schematic diagram under the first visual angle of the device of dismounting tamping pickaxe for second embodiment of the invention；
Fig. 9 is the top plan view structural representation of the connection structure of the system for the dismounting tamping pickaxe that second embodiment of the invention provides
Figure.
Icon：The system that 10- dismantles tamping pickaxe；11- oil inlets；12- driving devices；13- boss；14- tamping pickaxes；24- tamping pickaxes；
The system that 30- dismantles tamping pickaxe；32- driving devices；34- tamping pickaxes；100- dismantles the device of tamping pickaxe；200- dismantles the device of tamping pickaxe；
110- pick arms；120- cylinder bodies；140- plungers；201- limiter bands；220- cylinder bodies；320- cylinder bodies；340- plungers.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.The present invention implementation being usually described and illustrated herein in the accompanying drawings
The component of example can be arranged and designed with a variety of configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this area is common
Technical staff's all other embodiments obtained without creative efforts, belong to the model that the present invention protects
Enclose.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it is necessary to explanation, the orientation or position of the instruction such as term " interior ", " outer ", " level "
Relation be based on orientation shown in the drawings or position relationship, or the invention product using when the orientation or position usually put
Relation, is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must have
There is specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " the
One ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
First embodiment
Incorporated by reference to reference to Fig. 4, Fig. 5 and Fig. 6, a kind of device 100 for dismantling tamping pickaxe is present embodiments provided, it is related to machinery
Apparatus field.It should be noted that the device 100 of dismounting tamping pickaxe provided in this embodiment can easily complete tearing open for tamping pickaxe 14
Work is unloaded, it has the removal efficiency of higher compared to hand disassembly, and more practical reliable.
The device 100 of dismounting tamping pickaxe provided in this embodiment, specifically, incorporated by reference to reference to Fig. 4, Fig. 5 and Fig. 6, it includes
Cylinder body 120 and plunger matched with cylinder body 120 140, cylinder body 120 on the inside of 14 contact surface of tamping pickaxe relative to being provided with and tamping pickaxe
The groove that what 14 boss 13 matched, which be used for, carries out cylinder body 120 axially position, the movable end of plunger 140 is towards tamping pickaxe 14
Connecting pin, and tamping pickaxe 14 is dismantled by the end face of the pick arm 110 where the end that is connected during flexible.
It should be noted that the device 100 of dismounting tamping pickaxe provided by the embodiment is by setting 120 He of cylinder body to cooperate
Plunger 140, the strength for borrowing Fluid-transmission dismantle tamping pickaxe 14, instead of traditional hand disassembly mode, improve and smash
14 removal efficiency of pick, and it is more practical reliable.
Further, cylinder body 120 provided in this embodiment is in crescent, and circumferentially radian is more than or equal to cylinder body 120
180°.It should be noted that by the way that cylinder body 120 is designed to crescent, and it is more than etc. by the way that axial radian is limited it
In 180 °, primarily to lifting cylinder body 120 makes its axially position more firm for the encapsulation of tamping pickaxe 14.
In addition, it is necessary to which what is emphasized is a bit, the present embodiment preferably, the radian of cylinder body 120 circumferentially is defined to be more than
180°.Such design, can give play to the optimal performance of cylinder body 120 and 14 axially position of tamping pickaxe.
Further, the number of plunger 140 provided in this embodiment is multiple, and along the circumferential array of 120 inner cavity of cylinder body
Arrangement.It should be noted that the present embodiment why the number of plunger 140 is defined to it is multiple, and along 120 inner cavity of cylinder body
Circumferential array is arranged, is because setting for multiple plungers 140 can provide multiple spot for the conflict of plunger 140 and 110 end face of pick arm
Support, so as to improve the uniformity that plunger 140 is contradicted with 110 end face of pick arm, ensures the uniform force in 14 disassembly process of tamping pickaxe
Property and stability.
It should be noted that the number of plunger 140 provided in this embodiment is preferably 8, itself and the axial arc of cylinder body 120
Degree is more than 180 radians to matching.
Further, the type of drive of plunger 140 provided in this embodiment is oil pressure actuated.It should be noted that this reality
It is because oil pressure actuated has the bearing capacity and stabilization of higher as hydraulic driving mode to apply example and why select oil pressure actuated
Property.It is emphasized that among other embodiments, it is not limited in this above-mentioned a kind of oil pressure actuated side provided in this embodiment
Formula, it can also be other types of type of drive, as air pressure drives.
Fig. 7 is refer to, the present embodiment also provides a kind of system 10 for dismantling tamping pickaxe, it includes the dress of above-mentioned dismounting tamping pickaxe
The driving device 12 put 100 and matched with dismantling the device 100 of tamping pickaxe.It should be noted that dismounting provided in this embodiment
The system 10 of tamping pickaxe, passes through the driving device 12 for setting the device 100 with dismounting tamping pickaxe to match so that for dismantling tamping pickaxe
Device 100 is reliable using enhanced convenience.
Further, driving device 12 provided in this embodiment is hydraulic hand-pump, and hydraulic hand-pump and plunger 140
Connected by 120 hydraulic drive of cylinder body.It should be noted that the present embodiment uses hydraulic hand-pump can be with as driving device 12
Flexible pressure transmission is carried out according to the actual condition of plunger 140, so that stability contorting plunger 140 is flexible.
It is emphasized that among other embodiments, it is not limited in hydraulic hand-pump provided in this embodiment, it is also
Can be other types of driving device 12, as long as can be the driving force that plunger 140 provides elongation.
The operation principle of system 10 of dismounting tamping pickaxe provided in this embodiment is：First, the device 100 of tamping pickaxe will be dismantled
Cylinder body 120 is connected with tamping pickaxe 14, specifically cylinder body 120 is set relative to the inner side of 14 contact surface of tamping pickaxe
The boss 13 of the groove and tamping pickaxe 14 that are used to carry out axially position to cylinder body 120 that match with the boss 13 of tamping pickaxe 14 is matched somebody with somebody
Clamping is closed, so that cylinder body 120 is positioned along 14 length direction of tamping pickaxe；At the same time, keep cylinder body 120 vertical, and in oil inlet
Hydraulic hand-pump is connected at mouth 11, the use of hydraulic hand-pump is the power of the 8 plungers 140 offer elongation set in cylinder body 120,
So that plunger 140 withstands the bottom (bottom face) of pick arm 110, then cylinder body 120 can drive under the pressure that plunger 140 extends
Downward with the tamping pickaxe 14 of itself clamping, final tamping pickaxe 14 will be slowly pulled out.
It should be noted that after the system 10 of dismounting tamping pickaxe provided in this embodiment is by actual use, its phase is found
For having the efficiency of higher by hand, and very use reliably, therefore it shows higher application value.
Second embodiment
Fig. 8 is refer to, the present embodiment provides a kind of device 200 for dismantling tamping pickaxe, its dismounting provided with first embodiment
The device 100 of tamping pickaxe is roughly the same, and difference is, the cylinder that cylinder body 220 provided in this embodiment is provided with first embodiment
Body 120 is different.
Specifically, the cylinder body 220 of the device 200 provided in this embodiment for dismantling tamping pickaxe, which is provided at both ends with, is used for cylinder
Body 220 fixes the limiter band 201 of locking with tamping pickaxe 24.It should be noted that why cylinder body 220 provided in this embodiment is set
Limiter band 201, is because being enclosed in using 201 elasticity of limiter band on tamping pickaxe 24 so that the cylinder body 220 of crescent has circumferentially
The more spacing power of stable and uniform, the more consolidation for being not only able to make cylinder body 220 be connected with tamping pickaxe 24 is firm, but also helps
Stability during dismounting tamping pickaxe 24 is improved, there is provided it dismantles success rate.
3rd embodiment
Fig. 9 is refer to, the present embodiment provides a kind of system 30 for dismantling tamping pickaxe, its dismounting provided with first embodiment is smash
The system 10 of pick is roughly the same, and difference is, the driving device of the system 30 provided in this embodiment for being used to dismantle tamping pickaxe
32 is different with the driving device 12 of first embodiment offer.
Further, driving device 32 provided in this embodiment is semi-automatic gas press pump, semi-automatic gas press pump and plunger 340
Connected by 320 Pneumatic Transmission of cylinder body.It should be noted that why driving device 32 provided in this embodiment is using semi-automatic
Pulsometer, is because first, and the power transmitting medium materials of Pneumatic Transmission are more convenient, take the air in air immediately,
Therefore without the difficulty on Cost of medium and supply, and leakage will not seriously affect work, not pollute the environment；Second, air
Sticky very little, the drag losses in pipeline are far smaller than Hydraulic Power Transmission System, are suitable for remote transmission and control；3rd, safeguard
Simply, it is safe to use.
In addition, it is necessary to, it is emphasized that specifically, semi-automatic gas press pump provided in this embodiment includes pulsometer and and air pressure
The control device that pump communication is electrically connected, wherein, control device mainly realizes the control function of contactor by microcontroller class, leads to
Cross peripheral hardware manual operation button realize microcontroller switching signal manual operation.When using semi-automatic gas press pump, first
Manual operation button is manually controlled microcontroller is started to work, and control pressure pump starts air-breathing and is converted into compression
Gas, and then Pneumatic pressure power is provided for plunger 340, so as to be finally completed the dismounting action to tamping pickaxe 34.
In conclusion the device of dismounting tamping pickaxe provided in an embodiment of the present invention is by setting the cylinder body to cooperate and work
Plug, the strength for borrowing Fluid-transmission dismantle tamping pickaxe, instead of traditional hand disassembly mode, improve tamping pickaxe dismounting effect
Rate, and it is more practical reliable；By setting limiter band, the more consolidation for not only making cylinder body be connected with tamping pickaxe on cylinder body
It is firm, and stability during dismounting tamping pickaxe and success rate is improved；By being set in the system of dismounting tamping pickaxe
Put hydraulic hand-pump and semi-automatic pneumatic press pump both driving devices so that the device for dismantling tamping pickaxe can be according to the need of operating mode
Progress is asked flexibly to adjust and adapt to, ensureing the device of dismounting tamping pickaxe has good operating mode adaptability and system stability.
Therefore, the device of dismounting tamping pickaxe provided in an embodiment of the present invention and its system have higher marketing application value.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. it is a kind of dismantle tamping pickaxe device, it is characterised in that it include cylinder body and with the matched plunger of the cylinder body, the cylinder
Body relative to be provided with the inside of tamping pickaxe contact surface with the tamping pickaxe boss match be used to carry out the cylinder body it is axial fixed
The groove of position, the movable end of the plunger is towards the connecting pin of the tamping pickaxe, and by against the company during flexible
The end face for connecing the pick arm at end place is dismantled by the tamping pickaxe.
2. the device of dismounting tamping pickaxe according to claim 1, it is characterised in that the cylinder body is in crescent.
3. the device of dismounting tamping pickaxe according to claim 2, it is characterised in that the circumferential radian of the cylinder body is more than or equal to
180°。
4. the device of the dismounting tamping pickaxe according to claim 1-3 any one, it is characterised in that the number of the plunger is
It is multiple, and arranged along the circumferential array of the inner chamber of cylinder block.
5. the device of dismounting tamping pickaxe according to claim 4, it is characterised in that the type of drive of the plunger is driven for oil pressure
It is dynamic.
6. the device of dismounting tamping pickaxe according to claim 4, it is characterised in that the number of the plunger is 8, and along institute
State inner chamber of cylinder block circumferential array cloth to postpone, the axial radian of the corresponding cylinder body is more than 180 °.
7. the device of dismounting tamping pickaxe according to claim 4, it is characterised in that the both ends of the cylinder body, which are additionally provided with, to be used for
The cylinder body and the tamping pickaxe are fixed to the limiter band of locking.
8. a kind of system for dismantling tamping pickaxe, it is characterised in that it includes the dismounting tamping pickaxe as described in claim 1-7 any one
Device and the driving device that matches of device with the dismounting tamping pickaxe.
9. the system of dismounting tamping pickaxe according to claim 8, it is characterised in that the driving device is hydraulic hand-pump,
The hydraulic hand-pump is sequentially connected with the plunger by the cylinder hydraulic.
10. the system of dismounting tamping pickaxe according to claim 8, it is characterised in that the driving device is semi-automatic air pressure
Pump, the semi-automatic gas press pump are connected with the plunger by the cylinder body Pneumatic Transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711446490.8A CN107971971A (en) | 2017-12-27 | 2017-12-27 | A kind of device and its system for dismantling tamping pickaxe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711446490.8A CN107971971A (en) | 2017-12-27 | 2017-12-27 | A kind of device and its system for dismantling tamping pickaxe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107971971A true CN107971971A (en) | 2018-05-01 |
Family
ID=62008119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711446490.8A Pending CN107971971A (en) | 2017-12-27 | 2017-12-27 | A kind of device and its system for dismantling tamping pickaxe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107971971A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3494592A (en) * | 1966-12-08 | 1970-02-10 | Gunter Meschonat | Bolt tensioning apparatus |
| US5125145A (en) * | 1991-02-25 | 1992-06-30 | Ballast Tools Incorporated | Tamping tool removal system |
| DE102010048250A1 (en) * | 2010-10-12 | 2012-04-12 | Schaeffler Technologies Gmbh & Co. Kg | Hydraulic mounting device for pressing inner rings of roller bearings on hydraulic assembly, has measuring unit that determines amount of hydraulic fluid supplied by operation of pump based on motorized/external energy |
| CN103111833A (en) * | 2013-02-06 | 2013-05-22 | 哈尔滨工程大学 | Assembly and disassembly tool for clamping-pressing type mechanical connector |
| CN205115934U (en) * | 2015-11-06 | 2016-03-30 | 台州市玉峰液压机械有限公司 | Speed -raising turnout baseplate hydraulic pressure pin removal |
| CN205685251U (en) * | 2016-06-01 | 2016-11-16 | 大唐珲春发电厂 | Fluid pressure type water circulating pump box coupling provision for disengagement |
| CN207696451U (en) * | 2017-12-27 | 2018-08-07 | 江苏燕宏达重工机械有限公司 | A kind of device and its system of dismounting tamping pickaxe |
-
2017
- 2017-12-27 CN CN201711446490.8A patent/CN107971971A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3494592A (en) * | 1966-12-08 | 1970-02-10 | Gunter Meschonat | Bolt tensioning apparatus |
| US5125145A (en) * | 1991-02-25 | 1992-06-30 | Ballast Tools Incorporated | Tamping tool removal system |
| DE102010048250A1 (en) * | 2010-10-12 | 2012-04-12 | Schaeffler Technologies Gmbh & Co. Kg | Hydraulic mounting device for pressing inner rings of roller bearings on hydraulic assembly, has measuring unit that determines amount of hydraulic fluid supplied by operation of pump based on motorized/external energy |
| CN103111833A (en) * | 2013-02-06 | 2013-05-22 | 哈尔滨工程大学 | Assembly and disassembly tool for clamping-pressing type mechanical connector |
| CN205115934U (en) * | 2015-11-06 | 2016-03-30 | 台州市玉峰液压机械有限公司 | Speed -raising turnout baseplate hydraulic pressure pin removal |
| CN205685251U (en) * | 2016-06-01 | 2016-11-16 | 大唐珲春发电厂 | Fluid pressure type water circulating pump box coupling provision for disengagement |
| CN207696451U (en) * | 2017-12-27 | 2018-08-07 | 江苏燕宏达重工机械有限公司 | A kind of device and its system of dismounting tamping pickaxe |
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