CN112900483B - Plant mat ecological retaining wall building machine for mine phytoremediation - Google Patents
Plant mat ecological retaining wall building machine for mine phytoremediation Download PDFInfo
- Publication number
- CN112900483B CN112900483B CN202110083649.4A CN202110083649A CN112900483B CN 112900483 B CN112900483 B CN 112900483B CN 202110083649 A CN202110083649 A CN 202110083649A CN 112900483 B CN112900483 B CN 112900483B
- Authority
- CN
- China
- Prior art keywords
- frame
- sliding
- laying
- mode
- bearing
- 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.)
- Expired - Fee Related
Links
- 239000011449 brick Substances 0.000 claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims description 33
- 239000012634 fragment Substances 0.000 claims description 24
- 238000001125 extrusion Methods 0.000 claims description 14
- 230000007306 turnover Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001464837 Viridiplantae Species 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/025—Retaining or protecting walls made up of similar modular elements stacked without mortar
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0266—Retaining or protecting walls characterised by constructional features made up of preformed elements
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to a plant mat ecological retaining wall building machine for mine phytoremediation, which comprises a base, a movable positioning device and a brick laying device, wherein the movable positioning device is arranged at the upper end of the base, and the brick laying device is arranged at the rear end of the movable positioning device; according to the invention, bricks in the material loading process are supported and then unlocked during laying, so that the bricks are laid in an array by a machine, and the problems that the angle is easy to make mistakes in the manual feeding and laying process and the bricks are difficult to position and blank in the mechanical positioning and laying process are solved; the invention solves the problem that the laying error is caused by the stress deflection in the laying process after the machine is fed in the positioning and laying process of the machine in a mode of carrying out triangular fixation with the ground after the machine is moved.
Description
Technical Field
The invention relates to the technical field of ecological restoration, in particular to a plant mat ecological retaining wall building machine for restoring mine plants.
Background
Phytoremediation is the use of green plants to transfer, contain or transform pollutants to make them environmentally benign. The phytoremediation objects are soil and water bodies polluted by heavy metals, organic matters or radioactive elements. After mining is finished, the bald gravel mountain is very attractive, but plants are difficult to plant on the gravel mountain body, so that the ecological retaining wall is needed to reinforce the mountain body and then plant cultivation is carried out, and the ecology of the mine is recovered.
The following problems exist in the process of constructing the plant ecological retaining wall: firstly, bricks need to be laid obliquely due to the requirement of attractiveness of the ecological retaining wall, and the problem that the bricks at the edge cannot be installed due to the fact that an angle is prone to making mistakes in the manual feeding and laying process is solved; secondly, when the machine is positioned and paved, the machine is often fed and then stressed and deflected in the paving process, so that errors occur in paving.
Disclosure of Invention
The invention aims to provide a plant mat ecological retaining wall building machine for mine phytoremediation, which has the advantages of positioning laying, simultaneous blanking laying of a row of bricks and the like and solves the problems.
A plant mat ecological retaining wall building machine for mine phytoremediation comprises a base, a movable positioning device and a brick laying device, wherein the movable positioning device is arranged at the upper end of the base, and the brick laying device is arranged at the rear end of the movable positioning device; the mobile positioning mechanism drives the brick laying device to feed to a laying position, and the brick laying device lays bricks in an array.
The movable positioning device comprises a driving motor, a turnover frame, a rotating wheel frame, a moving wheel, a bearing seat, a threaded rotating rod and a threaded sleeve drill rod, wherein a placement groove is formed in the upper end of the base, a motor cavity is formed in the inner wall of the left end of the placement groove, the driving motor is arranged on the inner wall of the left end of the motor cavity through a motor seat, the turnover frame is arranged between the inner walls of the left end and the right end of the placement groove through a bearing, the output end of the driving motor is connected with the turnover frame through a coupler, the rotating wheel frame is uniformly arranged at the lower end of the base through the bearing along the axial direction, the moving wheels are arranged on the two side walls of the rotating wheel frame through the bearing, positioning grooves are symmetrically formed in the left end and the right end of the base, and the bearing seat is arranged on the inner wall of the positioning groove; a threaded rotating rod is arranged between the two side walls of the bearing seat through a bearing, and a threaded sleeve drill rod is connected with the threaded rotating rod in a threaded connection mode; driving motor passes through the roll-over stand and drives fragment of brick laying device slope to fixed angle to put fragment of brick laying device pendulum laying position, thereby drive fragment of brick laying device and feed through turning to of rotating the wheel carrier and removing the feeding of wheel, thereby laying a back, remove to the mounted position of next row, adjust the angle of screw thread bull stick through the bearing frame, the rethread rotates the screw thread cover drill rod and extends to and fixes fragment of brick laying device with ground, thereby prevent that fragment of brick laying device from laying in-process atress incline.
The brick laying device comprises a laying frame, a sliding frame, a downward pressing frame, a sliding strip, a hinged rod, an opening and closing column, a left clamping mechanism, a right clamping mechanism and a downward pressing mechanism, wherein the laying frame is arranged at the rear end of the turnover frame, the upper end of the laying frame is provided with the sliding frame, the downward pressing frame is connected with the sliding frame in a sliding mode, the left and right symmetry on the inner wall of the lower end of the laying frame is provided with the sliding strip in a sliding mode, the upper end of the sliding strip is provided with the hinged rod in a hinged mode, the other end of the hinged rod is connected with the downward pressing frame in a hinged mode, the upper end of the sliding strip is uniformly provided with the opening and closing column from front to back, the left clamping mechanism and the right clamping mechanism are connected with the opening and closing column in a sliding mode, and the lower end of the downward pressing frame is provided with the downward pressing mechanism; left fixture and right fixture are placed one by one through the opening and closing post, and bearing and centre gripping are carried out to the fragment of brick through left fixture and right fixture, and the manual work of rethread pushes down the frame and will feed down to drive the slip strip through the hinge bar and outwards open, thereby through mutually supporting between opening and closing post and left fixture, the right fixture, thereby with the fragment of brick unblock back, rethread pushes down the mechanism and lays the fragment of brick permutation.
Left fixture include supporting rack, slip bearing board, wear post groove, sliding connection piece, sliding connection groove and centre gripping swash plate, the slip bearing board is connected with the supporting rack through the slip mode, the post groove has been seted up to slip bearing board upper end, the supporting rack front end is provided with sliding connection piece, the sliding connection groove has been seted up to the supporting rack rear end, the centre gripping swash plate passes through the slip mode and sets up on the supporting rack left end inner wall, be provided with auxiliary spring between centre gripping swash plate and the supporting rack left end inner wall. Thereby mutually support through between sliding connection piece and the sliding connection groove makes a plurality of holding frame spacing fixed each other for a fragment of brick hugs closely together, carries out the bearing to the fragment of brick through the slip bearing board, and the centre gripping swash plate carries out the centre gripping to the fragment of brick, when the post that opens and shuts outwards feeds, and the rethread passes the post groove and opens the slip bearing board, removes bearing and spacing to the fragment of brick, but the centre gripping swash plate still keeps the fixed centre gripping to the fragment of brick, thereby keeps the neat laying of a list of fragment of brick.
As a preferable scheme of the present invention, the structure of the right pressing mechanism is identical to that of the left pressing mechanism.
As a preferable scheme of the present invention, the pressing mechanism includes a pressing sleeve, a sliding column, an extrusion block, and a return spring, the pressing sleeve is disposed at the lower end of the pressing frame, the sliding column is connected to the pressing sleeve in a sliding manner, the extrusion block is disposed at the lower end of the sliding column, and the return spring is disposed between the extrusion block and the pressing sleeve. The whole downward extrusion of a brick of being listed as is laid through the extrusion piece, and reset spring is supervised the extrusion family of pushing down the frame and is become the extrusion pressure degree that increases gradually to go into the better extrusion of brick of laying ground.
As a preferable mode of the present invention, adjacent ones of the sliding connection blocks are slidably connected to the sliding connection grooves.
As a preferable scheme of the present invention, the opening and closing pillar is connected with the pillar penetrating groove in a sliding manner.
In a preferred embodiment of the present invention, the sliding frame is provided with a rubber friction pad on an outer wall thereof.
(III) advantageous effects
1. According to the invention, bricks in the material loading process are supported and then unlocked during laying, so that the bricks are laid in an array by a machine, and the problems that the angle is easy to make mistakes in the manual feeding and laying process and the bricks are difficult to position and blank in the mechanical positioning and laying process are solved; the invention solves the problem that the laying error is caused by the stress deflection in the laying process after the machine is fed in the positioning and laying process of the machine in a mode of carrying out triangular fixation with the ground after the machine is moved.
2. According to the invention, the plurality of clamping frames are mutually limited and fixed through the mutual matching of the sliding connecting blocks and the sliding connecting grooves, so that a row of bricks are tightly attached together, the bricks are supported through the sliding bearing plate, the clamping inclined plate clamps the bricks, when the opening and closing column is fed outwards, the sliding bearing plate is opened through the column penetrating groove, the supporting and limiting of the bricks are relieved, but the clamping inclined plate still keeps the fixed clamping of the bricks, so that the orderly laying of the row of bricks is kept.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a cross-sectional view taken along section B-B of FIG. 2 in accordance with the present invention;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 2 in accordance with the present invention;
FIG. 5 is an enlarged view of a portion I of FIG. 2 in accordance with the present invention;
FIG. 6 is a schematic structural diagram of the left and right clamping mechanisms of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 6, a plant mat ecological retaining wall construction machine for mine phytoremediation comprises a base 1, a mobile positioning device 2 and a brick laying device 3, wherein the mobile positioning device 2 is arranged at the upper end of the base 1, and the brick laying device 3 is arranged at the rear end of the mobile positioning device 2; the mobile positioning mechanism 2 drives the brick laying device 3 to feed to a laying position, and the brick laying device 3 lays bricks in a row.
The movable positioning device 2 comprises a driving motor 21, a turnover frame 22, a rotating wheel frame 23, a movable wheel 24, a bearing seat 25, a thread rotating rod 26 and a thread sleeve drill rod 27, the upper end of the base 1 is provided with a placement groove, a motor cavity is formed in the inner wall of the left end of the placement groove, the driving motor 21 is arranged on the inner wall of the left end of the motor cavity through a motor seat, the turnover frame 22 is arranged between the inner walls of the left end and the right end of the placement groove through a bearing, the output end of the driving motor 21 is connected with the turnover frame 22 through a coupler, the lower end of the base 1 is uniformly provided with the rotating wheel frame 23 through the bearing along the axial direction, two side walls of the rotating wheel frame 23 are provided with the movable wheels 24 through the bearing, the left end and the right end of the base 1 are symmetrically provided with positioning grooves, and the inner walls of the positioning grooves are provided with the bearing seats 25; a threaded rotating rod 26 is arranged between two side walls of the bearing seat 25 through a bearing, and a threaded sleeve drill rod 27 is connected with the threaded rotating rod 26 in a threaded connection mode; the driving motor 21 drives the brick laying device 3 to incline to a fixed angle through the turning frame 22, thereby putting the brick laying device 3 at a laying position, thereby driving the brick laying device 3 to feed through the turning of the rotating wheel frame 23 and the feeding of the moving wheel 24, thereby after laying one row, moving to the next row of mounting positions, adjusting the angle of the threaded rotating rod 26 through the bearing seat 25, and then rotating the threaded sleeve drill rod 27 to extend to the brick laying device 3 fixed on the ground, thereby preventing the brick laying device 3 from being stressed and deflected in the laying process.
The brick laying device 3 comprises a laying frame 31, a sliding frame 32, a lower pressing frame 33, a sliding strip 34, a hinged rod 35, an opening and closing column 36, a left clamping mechanism 37, a right clamping mechanism 38 and a lower pressing mechanism 39, wherein the laying frame 31 is arranged at the rear end of the turnover frame 22, the sliding frame 32 is arranged at the upper end of the laying frame 31, the lower pressing frame 33 is connected with the sliding frame 32 in a sliding mode, the sliding strip 34 is symmetrically arranged on the inner wall of the lower end of the laying frame 31 in a left-right mode in a sliding mode, the hinged rod 35 is arranged at the upper end of the sliding strip 34 in a hinged mode, the other end of the hinged rod 35 is connected with the lower pressing frame 33 in a hinged mode, the opening and closing column 36 is uniformly arranged at the upper end of the sliding strip 34 from front to back, the left clamping mechanism 37 and the right clamping mechanism 38 are connected with the opening and closing column 36 in a sliding mode, and the lower pressing mechanism 39 is arranged at the lower end of the lower pressing frame 33; the structure of the left clamping mechanism 37 is consistent with that of the left clamping mechanism 38. Left fixture 37 and right fixture 38 are placed one by one through opening and closing post 36, and when supporting and clamping the fragment of brick through left fixture 37 and right fixture 38, the frame 33 will feed down through the manual drive, then drive slide bar 34 through articulated rod 35 and outwards open to drive left fixture 37 and right fixture 38 through opening and closing post 36 and unblock the fragment of brick, the fragment of brick permutation is laid through pressing mechanism 39 down.
The outer wall of the sliding frame 32 is provided with a rubber friction pad. The rubber friction pad prevents the lower pressure frame from automatically sliding, and manual force application is needed for feeding.
Thereby mutually support through between sliding connection piece 374 and the sliding connection groove 375 makes a plurality of clamping frame 371 spacing fixed each other for a series of fragment of brick hugs closely together, bear the fragment of brick through sliding bearing board 372, centre gripping swash plate 376 carries out the centre gripping to the fragment of brick, when the post 36 that opens and shuts is outwards fed, the rethread passes post groove 373 and opens sliding bearing board 372, remove the bearing and spacing to the fragment of brick, but clamping swash plate 376 still keeps the fixed centre gripping to the fragment of brick, thereby keep neatly laying of a series of fragment of brick.
The pressing mechanism 39 comprises a pressing sleeve 391, a sliding column 392, an extrusion block 393 and a return spring 394, the pressing sleeve 391 is arranged at the lower end of the pressing frame 33, the sliding column 392 is connected with the pressing sleeve 391 in a sliding mode, the extrusion block 393 is arranged at the lower end of the sliding column 392, and the return spring 394 is arranged between the extrusion block 393 and the pressing sleeve 391. The whole row of bricks is pressed downwards by the pressing block 393, and the return spring 394 changes the pressing force of the lower pressing frame 33 into a gradually increased pressing force, so that the bricks are better pressed into the ground.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a machinery is built to ecological barricade of plant pad for mine phytoremediation, includes base (1), mobile positioning device (2) and fragment of brick laying device (3), its characterized in that: the upper end of the base (1) is provided with a movable positioning device (2), and the rear end of the movable positioning device (2) is provided with a brick laying device (3);
the mobile positioning device (2) comprises a driving motor (21), a turning frame (22), a rotating wheel frame (23), a moving wheel (24), a bearing seat (25), a threaded rotating rod (26) and a threaded sleeve drill rod (27), the upper end of a base (1) is provided with a placement groove, a motor cavity is formed in the inner wall of the left end of the placement groove, a driving motor (21) is arranged on the inner wall of the left end of the motor cavity through a motor base, a roll-over stand (22) is arranged between the inner walls of the left end and the right end of the placement groove through a bearing, the output end of the driving motor (21) is connected with the roll-over stand (22) through a coupling, the lower end of the base (1) is uniformly provided with a rotating wheel carrier (23) through the bearing along the axial direction, two side walls of the rotating wheel carrier (23) are provided with moving wheels (24) through the bearing, positioning grooves are symmetrically formed in the left end and the right end of the base (1), and bearing seats (25) are arranged on the inner wall of the positioning grooves; a threaded rotating rod (26) is arranged between two side walls of the bearing seat (25) through a bearing, and a threaded sleeve drill rod (27) is connected with the threaded rotating rod (26) in a threaded connection mode;
the brick laying device (3) comprises a laying frame (31), a sliding frame (32), a lower pressing frame (33), a sliding strip (34), a hinged rod (35), an opening and closing column (36), a left clamping mechanism (37), a right clamping mechanism (38) and a lower pressing mechanism (39), wherein the laying frame (31) is arranged at the rear end of a turnover frame (22), the sliding frame (32) is arranged at the upper end of the laying frame (31), the lower pressing frame (33) is connected with the sliding frame (32) in a sliding mode, the sliding strips (34) are symmetrically arranged on the inner wall of the lower end of the laying frame (31) in a sliding mode, the hinged rod (35) is arranged at the upper end of the sliding strip (34) in a hinged mode, the other end of the hinged rod (35) is connected with the lower pressing frame (33) in a hinged mode, the opening and closing columns (36) are uniformly arranged at the upper end of the sliding strip (34) from front to back, the left clamping mechanism (37) and the right clamping mechanism (38) are connected with the opening and closing column (36) in a sliding mode, the opening and closing column (36) is connected with the column penetrating groove (373) in a sliding mode; the lower end of the lower pressing frame (33) is provided with a lower pressing mechanism (39);
left clamping mechanism (37) including clamping frame (371), slip bearing board (372), wear post groove (373), sliding connection piece (374), sliding connection groove (375) and centre gripping swash plate (376), slip bearing board (372) are connected with clamping frame (371) through the slip mode, wear post groove (373) have been seted up to slip bearing board (372) upper end, clamping frame (371) front end is provided with sliding connection piece (374), sliding connection groove (375) have been seted up to clamping frame (371) rear end, centre gripping swash plate (376) set up on clamping frame (371) left end inner wall through the slip mode, be provided with auxiliary spring between centre gripping swash plate (376) and clamping frame (371) left end inner wall.
2. The ecological retaining wall building machine of plant mat for mine phytoremediation of claim 1, wherein: the structure of the left clamping mechanism (37) is consistent with that of the right clamping mechanism (38).
3. The ecological retaining wall building machine of plant mat for mine phytoremediation of claim 1, wherein: the pressing mechanism (39) comprises a pressing sleeve (391), a sliding column (392), an extrusion block (393) and a return spring (394), the pressing sleeve (391) is arranged at the lower end of the pressing frame (33), the sliding column (392) is connected with the pressing sleeve (391) in a sliding mode, the extrusion block (393) is arranged at the lower end of the sliding column (392), and the return spring (394) is arranged between the extrusion block (393) and the pressing sleeve (391).
4. The ecological retaining wall building machine of plant mat for mine phytoremediation of claim 1, wherein: the adjacent sliding connection block (374) is connected with the sliding connection groove (375) in a sliding mode.
5. The ecological retaining wall building machine of plant mat for mine phytoremediation of claim 1, wherein: and a rubber friction pad is arranged on the outer wall of the sliding frame (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110083649.4A CN112900483B (en) | 2021-01-21 | 2021-01-21 | Plant mat ecological retaining wall building machine for mine phytoremediation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110083649.4A CN112900483B (en) | 2021-01-21 | 2021-01-21 | Plant mat ecological retaining wall building machine for mine phytoremediation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112900483A CN112900483A (en) | 2021-06-04 |
| CN112900483B true CN112900483B (en) | 2022-03-29 |
Family
ID=76118153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110083649.4A Expired - Fee Related CN112900483B (en) | 2021-01-21 | 2021-01-21 | Plant mat ecological retaining wall building machine for mine phytoremediation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112900483B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837186B (en) * | 2022-05-13 | 2024-04-19 | 中铁一局集团有限公司 | Reinforced retaining wall installation auxiliary construction equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2183232C1 (en) * | 2000-11-15 | 2002-06-10 | Яковлев Иван Николаевич | Cap for attachment of vibratory pile driver to pile |
| KR20090116251A (en) * | 2008-05-07 | 2009-11-11 | (주)한국에어로테크 | Pit shoring structure |
| CN108086245A (en) * | 2018-01-30 | 2018-05-29 | 鲁东大学 | A kind of harbour slope protection system |
| CN111074936A (en) * | 2020-01-06 | 2020-04-28 | 西南石油大学 | Novel retaining wall for inhibiting landslide development and construction method |
| CN111945774A (en) * | 2020-08-21 | 2020-11-17 | 方志兰 | Installation and construction method for embedded part of large steel structure fixed foundation |
-
2021
- 2021-01-21 CN CN202110083649.4A patent/CN112900483B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN112900483A (en) | 2021-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111270649A (en) | Slope protection construction all-in-one machine | |
| CN112900483B (en) | Plant mat ecological retaining wall building machine for mine phytoremediation | |
| CN210502946U (en) | Excavator track with pin shaft height being equal to diameter circle | |
| CN110528366B (en) | Asphalt leveling system for paver | |
| CN210829308U (en) | Suspension type anchor net for advance support and automatic steel belt laying device | |
| US8496400B2 (en) | Slipform paver | |
| CN207159775U (en) | A kind of manipulator fixture for the laying of concrete prefabricated brick | |
| CN112166999B (en) | Garden abrupt slope plant planting method | |
| US4269547A (en) | Tunnel roof supporting apparatus | |
| AU2004216593B2 (en) | Combination panline and utility drilling or bolting unit | |
| CN210194392U (en) | Road leveling device is used in municipal works construction | |
| CN116695811A (en) | Municipal road pipe network milling and digging grooving construction equipment and construction method | |
| CN114233339B (en) | Tunnel quick plugging construction equipment | |
| EP0359944B1 (en) | Driving shield | |
| CN111749445B (en) | Construction process for paving plastic wood material on ground | |
| CN209975601U (en) | Deep groove excavation rapid prototyping machine | |
| CN210509229U (en) | Automatic circulating steel belt laying device for digging and supporting anchor combined unit | |
| KR100815435B1 (en) | Boundary stone unevenness making system | |
| CN218353750U (en) | Tree planting equipment | |
| CN220076397U (en) | Building materials handling device convenient to remove | |
| CN218454760U (en) | Hydraulic support for coal mine support tunneling and recovery | |
| DE2827767C2 (en) | ||
| CN219690279U (en) | Highway curb evener | |
| CN110566245A (en) | automatic circulating steel belt laying device and method for digging, supporting and anchoring combined unit | |
| CN214787524U (en) | Moving device for coal mine underground prop-pulling winch |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |