CN108130927A - A kind of soil milling device - Google Patents
A kind of soil milling device Download PDFInfo
- Publication number
- CN108130927A CN108130927A CN201711291979.2A CN201711291979A CN108130927A CN 108130927 A CN108130927 A CN 108130927A CN 201711291979 A CN201711291979 A CN 201711291979A CN 108130927 A CN108130927 A CN 108130927A
- Authority
- CN
- China
- Prior art keywords
- hose
- guide device
- arm support
- bogey
- hose guide
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/08—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging wheels turning round an axis
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/14—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of soil milling device, bogey forepart is equipped with pivotable arm support, and arm support is equipped with pulley gear, and internal steel wire rope suspends apparatus for work in midair around pulley gear, and the up and down motion of apparatus for work is realized by the folding and unfolding of steel wire rope；Supporting rack is removably mounted at the different location of bogey；Hose reel is equipped in the top of supporting rack, for winding flexible pipe line；The hose guide device that can be rotated relative to arm support is equipped at the top of arm support；Flexible pipe line is connected to the top of apparatus for work under hose guide device guiding function.The requirement for height for the hose guiding device that the present invention uses is relatively low, can effectively reduce complete machine height, and hose reel installation site is adjusted by supporting rack, is constructed with adapting to small space or short space；In addition its hose guide device will can also rotate according to the approach axis of hose, reduce the abrasion to hose.
Description
Technical field
The present invention relates to a kind of soil milling devices, belong to construction machinery production technical field.
Background technology
For soil milling device, such as two-wheel flute milling machine, the power tool of these mechanical equipments is made in soil borehole
It during industry, needs power being transmitted on power tool by hydraulic line, drives the cutter tooth stripping soil on power tool, simultaneously
The slush pump on power tool also to be driven to discharge the soil of stripping by hose with slurry mixture.When depth of implements is continuous
During increase, it is necessary to which hose reel is set for retracting hose.
In the prior art, the power tool of two-wheel flute milling machine construction, retracting hose by the wire rope suspensioning on arm support
Capstan winch be typically disposed in above equipment.In order to coordinate the folding and unfolding of the mud tube of the hydraulic tube of conveying power and conveying slurries, generally
A pair of of guide wheel is set to be respectively used to be oriented to hydraulic tube, mud tube at the top of arm support.
Recently as the continuous propulsion of Process of Urbanization Construction, more and more Double-wheel millings are used for City Ground Foundation construction.But
The larger Double-wheel milling equipment of package size, near current avenue, around building construction, the inferior narrow sky of overpass
Between, normal operation can not be carried out.
A kind of guider is provided in CN202969431U in the prior art, which guides hydraulic pressure guide wheel and mud
Wheel is detachably connected to by axis pin at the top of arm support.The guide wheel of the hose guiding device is the cylindrical structure with baffle, this
Kind cylindrical structure generally has larger outer diameter, and then influences the reduction of complete machine height.In addition the guiding of the guider
Wheel is fixed at the top of arm support, when the hose direction for entering guide wheel changes, will inevitably cause hose generation pair
The axial force of guide wheel in turn results in the friction of hose and guide wheel side wall, can make hose that bending occur when serious, cause hose
Damage.
A kind of hose guiding device is provided in CN204345066U, which guides hydraulic pressure guide wheel and mud
Wheel hangs on the left and right sides, guide wheel below stent by bindiny mechanism can realize free deflection, to avoid hose to guiding
Take turns the axial force generated.But the program influences the reduction of complete machine height still using the guide wheel with larger outer diameter；
In addition two guide wheels of left and right arrangement, diameter and of different size, hose is also different to the pulling force of guide wheel, in turn results in complete machine
Crank；The guide wheel of the guider is suspended under cantilever beam simultaneously, is considered from secure context, material, ruler to beam
It is very little etc. all to have higher requirements.
Invention content
Purpose：In order to overcome the deficiencies in the prior art, the present invention provides a kind of soil milling device.
Technical solution：In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of soil milling device, including：Bogey, apparatus for work, the bogey forepart are equipped with pivotable arm support,
Arm support is equipped with pulley gear, and internal steel wire rope suspends apparatus for work in midair around pulley gear, real by the folding and unfolding of steel wire rope
The up and down motion of existing apparatus for work；Supporting rack is removably mounted at the different location of bogey；It is equipped in the top of supporting rack
Hose reel, for winding flexible pipe line；The hose guide device that can be rotated relative to arm support is equipped at the top of arm support；Flexible pipe
Line is connected to the top of apparatus for work under hose guide device guiding function.
Preferably, the hose reel is the baffled reel structure in both sides.
Preferably, support frame as described above can be mounted on bogey tail portion or mounted on the side of bogey.
Preferably, the flexible pipe line includes：Hydraulic tube, mud tube, cable, water pipe, tracheae.
Preferably, support frame as described above, including：It connects girder, supporting beam, upper hinged otic placode, lower hinged otic placode, twist
Disk fixed seat, capstan winch mounting base, revolving support, oscillating oil cylinder, upper hinged otic placode and lower hinged otic placode are welded on connection girder,
Supporting rack 5 can be fixed on by bogey tail portion or side by upper hinged otic placode and lower hinged otic placode；If supporting beam is equipped with
Dry group bolt hole, capstan winch fixed seat are mounted on by bolt in supporting beam；Capstan winch mounting base is mounted on capstan winch by revolving support
In fixed seat；The cylinder barrel of oscillating oil cylinder is hinged in capstan winch fixed seat, and piston rod is hinged in capstan winch mounting base.
Preferably, the hose guide device, including：Bottom plate, left plate, right plate, bottom plate and left plate and
Right plate forms U-shaped structure；Several rolling elements are equipped in the top of bottom plate, rolling element moves towards to carry out cloth according to the pipeline of planning
It puts, rolling element can be rotated freely around own rotation axis；At least one rolling element is set in the top of hose guide device, for preventing
Only when across hose guide device break-off occurs for flexible pipe line.
Preferably, the rolling element is set as the structure being small at both ends and big in the middle.
Preferably, the bottom plate of the hose guide device is connected with the top of arm support by pivoting support, hose
Guide device can be rotated along rotary shaft；Hydraulic cylinder one end is mounted on by axis pin on arm support, the other end and revolution branch
It holds and is connected.
Preferably, the top of the hose guide device sets 2 rolling elements.
Preferably, 2 rolling elements are separately positioned on the head end and tail end of the top of hose guide device.
Advantageous effect：A kind of soil milling device provided by the invention is somebody's turn to do, and it is an object of the present invention to provide a kind of soil milling device
The requirement for height for the hose guiding device that equipment uses is relatively low, can effectively reduce complete machine height, be adjusted by supporting rack soft
Pipe capstan winch installation site is constructed with adapting to small space or short space；In addition its hose guide device will also can be according to soft
The approach axis of pipe rotates, and reduces the abrasion to hose.
For hose guide device using several rolling elements arranged according to certain track, the smaller rolling element of outer diameter can be maximum
The reduction complete machine height of limit.
Hose guide device can be deflected along rotary shaft, when hose reel is in equipment tail portion or lateral equipment, guiding
Device can remain consistent with the hose direction released in hose reel.
Hydraulic hose and mud hose can be guided simultaneously using the hose guide device of rolling element, structure letter
It is single, it is light-weight, guide device in addition be may be provided at into arm support crown center, machine gravity is stablized.
Description of the drawings
Fig. 1 is the structure diagram that inventive hose capstan winch is mounted on bogey tail portion；
Fig. 2 is the structure diagram of supporting rack；
Fig. 3 is the structure diagram of hose guide device；
Fig. 4 is the detailed schematic that hose guide device is connect with arm support；
Fig. 5 is the structure diagram that inventive hose capstan winch is mounted on bogey side.
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings.
A kind of soil milling device, including：Bogey 1, apparatus for work 2, apparatus for work 2 is by the steel in bogey 1
Cord, which is suspended in midair, to move up and down；Hose reel 4 is set to the tail portion or side of bogey 1, for folding and unfolding and apparatus for work
Connected flexible pipe line；Hose guide device 3 is arranged on 11 top of arm support of bogey 1, and hose guide device 3 can be around arm support
Rotation axis rotation on 11.
As shown in Figure 1, hose reel 4 is mounted on the tail support frame 5 of bogey 1 in this state, soil at this time
Milling device is short and long and narrow, can be in tunnel, the inferior long and narrow space construction of near streets, overpass.
A kind of soil milling device, including：Bogey 1 is equipped with the arm support that can be pivoted in the forepart of bogey 1
11, pulley gear 12 is equipped on arm support 11, the steel wire rope 6 inside bogey 1 suspends operation in midair around pulley gear 12 and fills
2 are put, the up and down motion of apparatus for work 2 can be realized by the folding and unfolding of steel wire rope 6；Supporting rack 5 may be mounted at bogey 1 not
Same position（Supporting rack 5 can be mounted on the tail portion of bogey 1, can also be mounted on the side of bogey 1）；
Hose reel 4 is equipped in the top of supporting rack 5, hose reel 4 is the baffled reel structure in both sides, can be used to wind
Flexible pipe line 7（Such as hydraulic tube or mud tube or cable or water pipe or tracheae）；Being equipped at the top of arm support 11 can be with opposing arms
The hose guide device 3 that frame 11 rotates；Flexible pipe line 7 is connected to the upper of apparatus for work 2 under 3 guiding function of hose guide device
Portion, it can be power that apparatus for work 2 provides milling ground that flexible pipe line 7, which includes several hydraulic lines and is, while flexible pipe line 7
Also it may include mud hose for the ground under 2 milling of apparatus for work and mud mixture to be discharged slot.
As shown in Fig. 2, the supporting rack 5 in the present invention, including：Connect girder 51, supporting beam 52, upper hinged otic placode 53 and under
Hinged otic placode 54, capstan winch fixed seat 55, capstan winch mounting base 56, revolving support 57, oscillating oil cylinder 58；
Upper hingedly otic placode 53 and lower hinged otic placode 54 are welded on connection girder 51, pass through upper hinged otic placode 53 and lower hinged otic placode
54 can be fixed on supporting rack 51 tail portion of bogey or side；Supporting beam 52 is equipped with several groups of bolts hole 59, and capstan winch is fixed
Seat 55 is mounted on by bolt in supporting beam 52, when capstan winch fixed seat 55 is mounted on different groups of bolts hole, can adjust strand
Disk mounting base 56 is with connecting the distance between girder 51, to adapt to various sizes of hose reel 4；Capstan winch mounting base 56 is by returning
Turn support 57 to be mounted in capstan winch fixed seat 55；The cylinder barrel of oscillating oil cylinder 58 is hinged in capstan winch fixed seat 55, and piston rod is hinged
In capstan winch mounting base 56,58 telescopic piston rod of oscillating oil cylinder can drive 56 relative rotation axi of capstan winch mounting base to rotate, and then
The hose reel 4 being connected in capstan winch mounting base 56 is driven to rotate；Oscillating oil cylinder 58 is internally provided with displacement sensor, can test
Go out the length of piston rod, and then the angle of capstan winch rotation can be calculated by geometrical relationship, to facilitate accurate control capstan winch deflection.
As shown in figure 3, the hose guide device 3 in the present invention, including：Bottom plate 33, left plate 34 and right plate 35, bottom plate
33 form U-shaped structure with left plate 34 and right plate 35；The top of bottom plate 33 be equipped with several rolling elements 36, rolling element 36 according to
The pipeline trend of planning is arranged；Compared to existing tubular guide wheel, guide device 3 of the invention can drop to greatest extent
Low complete machine height；Rolling element 36 can be rotated freely around own rotation axis 38, flexible pipe line 7 along rolling element 36 slide when, can be fine
Reduction pipeline abrasion, improve the pipeline service life；In addition the structure of rolling element 36 can also be kept away in this way to be small at both ends and big in the middle
Exempt from the middle section of flexible pipe line 7 and rolling element phase mutual friction, improve the service life of pipeline.
Set in the top of hose guide device 3 at least one rolling element 36 or other can be around the cylindricality that rotary shaft rotates
Structure can make hose guide device 3 form enclosed construction, prevent flexible pipe line 7 from being sent out when across hose guide device 3 in this way
Raw break-off.
As shown in figure 4, the type of attachment of the hose guide device 3 and arm support 11 in the present invention.The bottom of hose guide device 3
Plate 33 is connected with the top of arm support 11 by pivoting support 37, and such hose guide device 3 can be revolved along rotary shaft 32
Turn；Certain hose guide device 3 can also pass through driving mechanism（Such as hydraulic cylinder or motor）Deflection is driven, in Fig. 4
Shown, 38 one end of hydraulic cylinder is mounted on by axis pin on arm support 11, and the other end is connected with hose guide device 3, hydraulic oil
The piston rod stretching motion of cylinder 38, when can drive the hose guide device 3 to deflect into proper states, optimal location is hose guide
Device 3 is parallel with hose reel 4, can during exercise deflect to avoid hose in this way.
As shown in figure 5, the vertical view of another state for soil milling device, which passes through support
Frame 5 is mounted on the side of bogey 1, and the tail radius of soil milling device is small at this time, is applicable to have near place and build
Build object or the small space construction of other non-detachable barriers.
In order to shorten the tail radius of equipment, the supporting rack 5 equipped with hose reel 4 is mounted on to the side of support device 1
（Also the opposite side of bogey 1 can be mounted on, i.e., is in the same side with driver's cabin 13）；At this time hose guide device 4 relative to
The deflection of certain angle occurs for arm support 11, and optimum state is：The central axes 31 of hose guide device 3 and the axis of hose reel 4
Line 41 overlaps, and under this state, flexible pipe line 7 will not generate axial force, while flexible to hose guide device 3 and hose reel 4
The abrasion of pipeline 7 is relatively small, and the service life is relatively long.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of soil milling device, including：Bogey, apparatus for work, it is characterised in that：The bogey forepart is equipped with
Pivotable arm support, arm support are equipped with pulley gear, and internal steel wire rope suspends apparatus for work in midair around pulley gear, passes through steel
The up and down motion of apparatus for work is realized in the folding and unfolding of cord；Supporting rack is removably mounted at the different location of bogey；It is supporting
The top of frame is equipped with hose reel, for winding flexible pipe line；The hose that being equipped at the top of arm support can rotate relative to arm support draws
Lead device；Flexible pipe line is connected to the top of apparatus for work under hose guide device guiding function.
2. a kind of soil milling device according to claim 1, it is characterised in that：The hose reel is both sides with gear
The reel structure of plate.
3. a kind of soil milling device according to claim 1, it is characterised in that：Support frame as described above can be mounted on carrying dress
Put tail portion or mounted on the side of bogey.
4. a kind of soil milling device according to claim 1, it is characterised in that：The flexible pipe line includes：Hydraulic tube,
Mud tube, cable, water pipe, tracheae.
5. a kind of soil milling device according to claim 1, it is characterised in that：Support frame as described above, including：Connection master
Beam, supporting beam, upper hinged otic placode, lower hinged otic placode, capstan winch fixed seat, capstan winch mounting base, revolving support, oscillating oil cylinder, upper hinge
Ear connecting plate and lower hinged otic placode are welded on connection girder, can be fixed supporting rack 5 by upper hinged otic placode and lower hinged otic placode
In bogey tail portion or side；Supporting beam is equipped with several groups of bolts hole, and capstan winch fixed seat is mounted on supporting beam by bolt
On；Capstan winch mounting base is mounted on by revolving support in capstan winch fixed seat；The cylinder barrel of oscillating oil cylinder is hinged in capstan winch fixed seat,
Piston rod is hinged in capstan winch mounting base.
6. a kind of soil milling device according to claim 1, it is characterised in that：The hose guide device, including：Bottom
Plate, left plate, right plate, bottom plate form U-shaped structure with left plate and right plate；Several rolling elements are equipped in the top of bottom plate,
Rolling element is arranged according to the pipeline trend of planning, and rolling element can be rotated freely around own rotation axis；In hose guide device
Top at least one rolling element is set, for preventing flexible pipe line from break-off occurs when across hose guide device.
7. a kind of soil milling device according to claim 6, it is characterised in that：The rolling element be set as both ends it is big,
Intermediate small structure.
8. a kind of soil milling device according to claim 1, it is characterised in that：The bottom plate of the hose guide device with
The top of arm support is connected by pivoting support, and hose guide device can be rotated along rotary shaft；Hydraulic cylinder one end passes through
Axis pin is mounted on arm support, and the other end is connected with pivoting support.
9. a kind of soil milling device according to claim 6, it is characterised in that：It is set above the hose guide device
Put 2 rolling elements.
10. a kind of soil milling device according to claim 9, it is characterised in that：2 rolling elements are separately positioned on
The head end and tail end of the top of hose guide device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711291979.2A CN108130927B (en) | 2017-12-08 | 2017-12-08 | Soil milling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711291979.2A CN108130927B (en) | 2017-12-08 | 2017-12-08 | Soil milling equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108130927A true CN108130927A (en) | 2018-06-08 |
| CN108130927B CN108130927B (en) | 2020-06-12 |
Family
ID=62390107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711291979.2A Active CN108130927B (en) | 2017-12-08 | 2017-12-08 | Soil milling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108130927B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457747A (en) * | 2018-12-12 | 2019-03-12 | 江苏徐工工程机械研究院有限公司 | A kind of two-wheel flute milling machine multilayer wirerope elevator automatic calibration device |
| CN109502427A (en) * | 2018-12-26 | 2019-03-22 | 江苏徐工工程机械研究院有限公司 | Capstan arrangement |
| CN113175018A (en) * | 2021-05-14 | 2021-07-27 | 徐州徐工基础工程机械有限公司 | Cutter frame hose switching protection frame device of double-wheel milling stirrer |
| CN109502427B (en) * | 2018-12-26 | 2024-06-04 | 江苏徐工工程机械研究院有限公司 | Winch device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102605817A (en) * | 2012-03-24 | 2012-07-25 | 北京市三一重机有限公司 | Grab bucket grooving machine for continuous wall |
| CN202787350U (en) * | 2012-08-16 | 2013-03-13 | 辽宁抚挖重工机械股份有限公司 | Hydraulic rubber tube guide device for semi-conduction type continuous wall grab bucket |
| EP2570554A1 (en) * | 2011-09-16 | 2013-03-20 | Soilmec S.p.A. | Tool for making a diaphragm wall |
| CN202969431U (en) * | 2012-12-07 | 2013-06-05 | 上海中联重科桩工机械有限公司 | Arm head guide device and double-wheel slot milling machine with the same |
| CN204345066U (en) * | 2014-11-28 | 2015-05-20 | 徐工集团工程机械股份有限公司 | Hose guiding device and construction of diaphragm wall equipment |
-
2017
- 2017-12-08 CN CN201711291979.2A patent/CN108130927B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2570554A1 (en) * | 2011-09-16 | 2013-03-20 | Soilmec S.p.A. | Tool for making a diaphragm wall |
| CN102605817A (en) * | 2012-03-24 | 2012-07-25 | 北京市三一重机有限公司 | Grab bucket grooving machine for continuous wall |
| CN202787350U (en) * | 2012-08-16 | 2013-03-13 | 辽宁抚挖重工机械股份有限公司 | Hydraulic rubber tube guide device for semi-conduction type continuous wall grab bucket |
| CN202969431U (en) * | 2012-12-07 | 2013-06-05 | 上海中联重科桩工机械有限公司 | Arm head guide device and double-wheel slot milling machine with the same |
| CN204345066U (en) * | 2014-11-28 | 2015-05-20 | 徐工集团工程机械股份有限公司 | Hose guiding device and construction of diaphragm wall equipment |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457747A (en) * | 2018-12-12 | 2019-03-12 | 江苏徐工工程机械研究院有限公司 | A kind of two-wheel flute milling machine multilayer wirerope elevator automatic calibration device |
| CN109457747B (en) * | 2018-12-12 | 2023-09-01 | 江苏徐工工程机械研究院有限公司 | Multi-layer steel wire rope winch automatic calibration device of double-wheel slot milling machine |
| CN109502427A (en) * | 2018-12-26 | 2019-03-22 | 江苏徐工工程机械研究院有限公司 | Capstan arrangement |
| CN109502427B (en) * | 2018-12-26 | 2024-06-04 | 江苏徐工工程机械研究院有限公司 | Winch device |
| CN113175018A (en) * | 2021-05-14 | 2021-07-27 | 徐州徐工基础工程机械有限公司 | Cutter frame hose switching protection frame device of double-wheel milling stirrer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108130927B (en) | 2020-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202808094U (en) | Mining cable reel | |
| US20050056819A1 (en) | Winch for a construction machine | |
| CN110878699B (en) | Automatic wall concrete spraying wet machine based on chain transmission and working method thereof | |
| CN102242602A (en) | Spiral pile drilling machine | |
| CN108130927A (en) | A kind of soil milling device | |
| CN110000758A (en) | The climbing robot with maintenance can be detected automatically | |
| CN103726785B (en) | Rotary drilling rig with hydraulic breaker device | |
| CN102213076B (en) | Vertical shaft type drilling machine with long feeding travel | |
| CN107193094A (en) | A kind of duct optical cable the construction line-putting device | |
| CN206942797U (en) | A kind of horizontal jet | |
| CN105151636B (en) | Vehicular Expansion belt conveyor | |
| KR101856652B1 (en) | High place works vehicles having twist prevention structure of power cable | |
| CN1097661C (en) | Suction machine | |
| JP2004114562A (en) | Wire saw type cutting device and cutting method using the device | |
| CN110593915A (en) | Full-face tunnel tunneling system and segment erector thereof | |
| CN216190114U (en) | Hydraulic wire arranging device | |
| CN107178314B (en) | Horizontal rotary jet drilling machine | |
| CN109848817A (en) | A kind of metal tubes derusting mopping all-in-one machine | |
| CN211924177U (en) | Automatic spraying wall concrete wet spraying machine based on chain transmission | |
| CN113389385A (en) | Foam concrete distributing machine | |
| CN108532661A (en) | A kind of soil milling operation device | |
| CN107178382A (en) | A kind of horizontal jet | |
| CN210016173U (en) | Construction system of broken hole device and change cable well cable | |
| CN210483767U (en) | Multi-arm drilling and anchoring integrated machine | |
| CN210660153U (en) | Anchor rod mechanism and drilling and anchoring integrated machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220715 Address after: No.26 tuolanshan Road, Xuzhou Economic and Technological Development Zone, Xuzhou City, Jiangsu Province Patentee after: JIANGSU XUGONG ENGINEERING MACHINERY RESEARCH INSTITUTE Co.,Ltd. Address before: 221004 26 Jinshan Road, Jinshan Bridge Economic Development Zone, Xuzhou, Jiangsu Patentee before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. |