CN103938632B - Piling attitude reference device - Google Patents
Piling attitude reference device Download PDFInfo
- Publication number
- CN103938632B CN103938632B CN201410157755.2A CN201410157755A CN103938632B CN 103938632 B CN103938632 B CN 103938632B CN 201410157755 A CN201410157755 A CN 201410157755A CN 103938632 B CN103938632 B CN 103938632B
- Authority
- CN
- China
- Prior art keywords
- leading truck
- piling
- reference device
- pedestal
- pilot hole
- 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 piling attitude reference device that <b> mono-kind integrally completes for </b><bGreatT.Gre aT.GTH</b><bGrea tT.GreaT.GT shaped steel and steel sheet pile construction, comprise leading truck, drive the </b><bGreatT.Gre aT.GTH</b><bGrea tT.GreaT.GT shaped steel pilot hole be arranged on leading truck, be opened in the steel sheet pile pilot hole be connected with the side of </b><bGreatT.Gre aT.GTH</b><bGrea tT.GreaT.GT shaped steel pilot hole on leading truck, be arranged on the importing position-limit mechanism on leading truck, leading truck comprises the pedestal being positioned at bottom, the support that two bottoms are rotationally connected around the first axle with the left and right sides portion of pedestal respectively, for controlling the rotation controling mechanism that two supports rotate relative to pedestal respectively, leading truck has open position and make position, piling attitude reference device also comprises shift mechanism.Automaticity of the present invention is high, efficient and convenient, construction safety, operating efficiency is high, and quality of fit between </b><bGreatT.Gre aT.GTH</b><bGrea tT.GreaT.GT shaped steel and steel sheet pile is better.</b>
Description
Technical field
the present invention relates to a kind of piling attitude reference device integrally completed for H profile steel and steel sheet pile construction.
Background technology
in prior art, in builing industry piling work, usually by piling location leading truck, by H profile steel and steel sheet pile righting, by vibration hammer, H profile steel and steel sheet pile are squeezed into ground again, structure such as the patent announcement number of piling location leading truck is CN202595748U, name is called about shown in the piling location leading truck that H type steel and steel sheet pile construction integrally complete, this piling location leading truck is that formation one is overall, but when squeezing into ground when the part of H profile steel and the part of steel sheet pile, vibration hammer can collide with leading truck, has no idea to implement further.So, just with loop wheel machine, piling location leading truck upwards must be sling, shift position again after departing from H profile steel and steel sheet pile, operation comparatively bothers, poor stability, construction must pause cannot sequential production, wastes time and energy, and when suppressing H profile steel and steel sheet pile again after being removed by piling location leading truck, the quality of fit between H profile steel and steel sheet pile can be made poor.Meanwhile, must using an adjacent H profile steel of last time as guide pile when leading truck second time is in place, positioning precision is poor, and very easily cause band stake, card stake phenomenon, construction efficiency is poor.
Summary of the invention
the technical problem to be solved in the present invention is to provide a kind of piling attitude reference device.
in order to solve the problems of the technologies described above, a kind of technical scheme that the present invention adopts is: a kind of piling attitude reference device integrally completed for H profile steel and steel sheet pile construction, comprise leading truck, drive the H profile steel pilot hole be arranged on described leading truck, the steel sheet pile pilot hole be connected with the side of H profile steel pilot hole be opened on described leading truck, the importing position-limit mechanism be arranged on described leading truck
the support that described leading truck comprises the pedestal being positioned at bottom, two bottoms are rotationally connected around the first axle with the left and right sides portion of described pedestal respectively, the rotation controling mechanism rotated relative to described pedestal for the support controlled respectively described in two, described leading truck has open position and make position, under described leading truck is in an open position, the top of the support described in two away from, under described leading truck is in the close position, the top of the support described in two is drawn close mutually
described piling attitude reference device also comprises shift mechanism, described shift mechanism comprises two left and right sides being separately positioned on described leading truck and the supporting track that extends along fore-and-aft direction of length, two respectively with corresponding described in the movable stand that is slidably connected of supporting track, be connected to the first hydraulic cylinder for being lifted by relative for described pedestal described supporting track between described pedestal and the described movable stand of corresponding side, be arranged on the second hydraulic cylinder for described pedestal and described supporting track all being lifted on described pedestal, the slide control mechanism of driving relative sliding is provided with between described supporting track and described movable stand,
described piling attitude reference device also comprises the power control cabinet for controlling each hydraulic cylinder action be arranged on described pedestal.
in some embodiments, described rotation controling mechanism comprises the 4th hydraulic cylinder be arranged between each described support and the respective side portion of described pedestal, one end and the described support of the 4th described hydraulic cylinder are rotationally connected around the second axle, and the other end and the described pedestal of the 4th described hydraulic cylinder are rotationally connected around the 3rd axle.
in some embodiments, described slide control mechanism comprises the 3rd hydraulic cylinder be connected between described movable stand and described supporting track.
in some embodiments, the locking mechanism for being locked in by described leading truck under make position is provided with between the top of the support described in two.
in some embodiments, described H profile steel pilot hole and described steel sheet pile pilot hole are all opened on described pedestal.
in some further embodiment, described importing position-limit mechanism comprises the multiple lowest limit positions pulley be arranged on around H profile steel pilot hole.
in some another further embodiment, the top of each described support has the rack platform that length extends along fore-and-aft direction, H profile steel pilot hole described in contiguous in rack platform described in two be connected with described steel sheet pile pilot hole side described rack platform on be provided with the spacing pulley of pipe that two can be accommodated the pipe on H profile steel plate, the axial line of the wheel shaft of the spacing pulley of the pipe described in two extends along fore-and-aft direction, rack platform described in another is provided with three margin position pulleys, the axial line of the wheel shaft of first in the margin position pulley described in three extends along fore-and-aft direction, in two other in margin position pulley described in three space between the rack platform described in described two, and be positioned at the described both sides, front and back of first, and the axial line of wheel shaft extends along left and right directions.
in some embodiments, the bottom of the second described hydraulic cylinder is fixed with discoid leg.
in some embodiments, the top of the support described in two is respectively arranged with the operating platform of standing for people.
the nouns of locality such as upper and lower, left and right involved above, with in scheming for shown state is for benchmark, power control cabinet is positioned at the rear portion of pedestal.
scope of the present invention, is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should contain simultaneously and be undertaken being combined by above-mentioned technical characteristic or its equivalent feature and other technical scheme of being formed.The technical characteristic that such as, disclosed in above-mentioned feature and the application (but being not limited to) has similar functions is replaced mutually and the technical scheme etc. formed.
because technique scheme is used, the present invention compared with prior art has following advantages: when in the process of H profile steel and steel sheet pile being driven piles by leading truck, when the top that vibration hammer is positioned at leading truck can produce collision, described leading truck is placed in open position, H profile steel and steel sheet pile is continued to squeeze into downwards, when the top that vibration hammer is positioned at pedestal produces collision, vibration hammer is lifted, leading truck is placed in make position, removed whole for piling location mechanism by shift mechanism, automaticity is high, efficient and convenient, construction safety, operating efficiency is high, and the quality of fit between H profile steel and steel sheet pile is better.
Accompanying drawing explanation
accompanying drawing 1 is perspective view of the present invention (omission);
accompanying drawing 2 be leading truck in the close position under front elevation drawing;
accompanying drawing 3 be leading truck in an open position under front elevation drawing;
accompanying drawing 4 is lateral view of the present invention (shift mechanism is in state one);
accompanying drawing 5 is lateral view of the present invention (shift mechanism is in state two);
accompanying drawing 6 is lateral view of the present invention (shift mechanism is in state three);
accompanying drawing 7 is lateral view of the present invention (shift mechanism is in state four);
accompanying drawing 8 is the distribution schematic diagram of the spacing pulley of pedestal upper base around H profile steel pilot hole;
accompanying drawing 9 is that the margin position pulley and managing between the showing of spacing pulley on leading truck top is schemed;
wherein: 1, leading truck; 11, pedestal; 111, H profile steel pilot hole; 112, steel sheet pile pilot hole; 113, lowest limit position pulley; 12, support; 121, rack platform; 122, operating platform; 123, margin position pulley; 124, spacing pulley is managed; 13, the 4th hydraulic cylinder; 14, the first axle; 15, the second axle; 16, the 3rd axle; 17, locking mechanism; 21, supporting track; 22, movable stand; 23, the first hydraulic cylinder; 24, the second hydraulic cylinder; 241, leg; 25, the 3rd hydraulic cylinder; 31, power control cabinet.
Detailed description of the invention
as shown in the drawings, for the piling attitude reference device that H profile steel and steel sheet pile construction integrally complete, comprise leading truck 1, drive the H profile steel pilot hole 111 be arranged on leading truck 1, the steel sheet pile pilot hole 112 be connected with the side of H profile steel pilot hole 111 be opened on leading truck 1, the importing position-limit mechanism be arranged on leading truck 1.
as shown in accompanying drawing 1-accompanying drawing 3, leading truck 1 comprises the pedestal 11 being positioned at bottom, the support 12 that two bottoms are rotationally connected around the first axle 14 with the left and right sides portion of pedestal 11 respectively, for controlling the rotation controling mechanism that two supports 12 rotate relative to pedestal 11 respectively, leading truck 1 has open position and make position, under leading truck 1 is in an open position, the top of two supports 12 away from, under leading truck 1 is in the close position, the top of two supports 12 is drawn close mutually, the locking mechanism 17 for being locked in by leading truck 1 under make position is provided with between the top of two supports 12.The concrete structure of locking mechanism 17 is not limit, as long as can using of two supports 12 can being fixed together, as by screw, bolt, latch hook, latch etc., no longer carefully states at this.
in the present embodiment, rotation controling mechanism comprises the 4th hydraulic cylinder 13 be arranged between each support 12 and the respective side portion of pedestal 11, and the 4th hydraulic cylinder 13 of every side is at least two, and in this example, every side has two, totally four, the left and right sides.One end of the 4th hydraulic cylinder 13 and support 12 are rotationally connected around the second axle 15, and the other end of the 4th hydraulic cylinder 13 and pedestal 11 are rotationally connected around the 3rd axle 16.In addition, rotation controling mechanism can also be realize transmission etc. by gear drive, worm and gear, all belongs to the conventional type of drive in machinery, no longer carefully states.
piling attitude reference device also comprises shift mechanism, shift mechanism comprises two left and right sides being separately positioned on leading truck 1 and the supporting track 21 that extends along fore-and-aft direction of length, two movable stands 22 be slidably connected with corresponding supporting track 21 respectively, the first hydraulic cylinder 23 for pedestal 11 relative support track 21 is lifted between the movable stand 22 being connected to pedestal 11 and corresponding side, be arranged on the second hydraulic cylinder 24 for pedestal 11 and supporting track 21 all being lifted on pedestal 11, the bottom of the second hydraulic cylinder 24 is fixed with discoid leg 241, the slide control mechanism of driving relative sliding is provided with between supporting track 21 and movable stand 22.
first hydraulic cylinder 23 and the second hydraulic cylinder 24 are all that every side has two at least, are each two of every side in the present embodiment, totally four, the left and right sides.
in the present embodiment, slide control mechanism is the 3rd hydraulic cylinder 25 be connected between movable stand 22 and supporting track 21.In addition, it can also be by chain wheel drive that the slip between movable stand 22 and supporting track 21 drives, and no longer carefully states.Every each one of the side of 3rd hydraulic cylinder 25, totally two, the left and right sides.
when the top that vibration hammer is positioned at pedestal produces collision, vibration hammer is lifted, as shown in Figure 4, leading truck is placed in make position, removed whole for piling location mechanism by shift mechanism, the mode of concrete movement:
as shown in Figure 5, first by the first hydraulic cylinder 23, leading truck 1 is all lifted, all depart from H profile steel and steel sheet pile;
as shown in Figure 6, by the 3rd hydraulic cylinder 25, whole for leading truck 1 relative support track 21 is moved backward;
as shown in Figure 7, after mobile, the second hydraulic cylinder 24 stretches out downwards, thus leading truck 1 and supporting track 21 is all lifted, and supporting track 21 and ground are separated, and are moved backward by supporting track 21 again by the 3rd hydraulic cylinder 25 relative to leading truck 1;
then, more upwards retracted by the second hydraulic cylinder 24, supporting track 21 touches with ground again, completes and is once shifted, now get back to again state shown in accompanying drawing 5, squeezes into multiple H profile steel and steel sheet pile, then need to carry out multi-shift if disposable.But during displacement, vibrations pile sinking can synchronously carry out, and does not affect construction efficiency.
piling attitude reference device second time location and level, verticality adjustment all regulate separately by each hydraulic cylinder, precision is high.Do not need as the extra jack instrument of increase of the prior art.
piling attitude reference device also comprises the power control cabinet 31 for controlling each hydraulic cylinder action be arranged on pedestal 11, the annexation between power control cabinet 31 and each hydraulic cylinder, is belong to conventional connection, is not main points of the present invention, no longer carefully states.
as shown in accompanying drawing 1, accompanying drawing 8, accompanying drawing 9, H profile steel pilot hole 111 and steel sheet pile pilot hole 112 are all opened on pedestal 11.H profile steel and steel sheet pile are all standard component usually, and therefore H profile steel pilot hole 111 matches with steel sheet pile with H profile steel with the size of steel sheet pile pilot hole 112.H profile steel pilot hole 111 also has open with the shape of steel sheet pile pilot hole 112 at the file that the patent announcement number of background technology is CN202595748U.
as shown in Figure 8, import position-limit mechanism and comprise the multiple lowest limit positions pulley 113 be arranged on around H profile steel pilot hole 111.In multiple lowest limit positions pulley 113 as present routine techniques, there is part to be fixing not adjusted position, have part to be position adjustable.
as shown in Figure 9, because leading truck 1 is opening type, namely two supports 12 can rotate relative to pedestal 11, in the present embodiment, the top of each support 12 has the rack platform 121 that length extends along fore-and-aft direction, in two rack platforms 121 contiguous H profile steel pilot hole 111 be connected with steel sheet pile pilot hole 112 side rack platform 121 on be provided with the spacing pulley 124 of pipe that two can be accommodated the pipe on H profile steel plate, its size is closed with the matching size of the snap close pipe of H profile steel both sides, the axial line of the wheel shaft of two spacing pulleys 124 of pipe extends along fore-and-aft direction, another rack platform 121 is provided with three margin position pulleys 123, the axial line of the wheel shaft of first in three margin position pulleys 123 extends along fore-and-aft direction, in two other in three margin position pulleys 123 space between two rack platforms 121, and be positioned at the both sides, front and back of first, and the axial line of wheel shaft extends along left and right directions.
as shown in accompanying drawing 1-accompanying drawing 3, the top of two supports 12 is respectively arranged with the operating platform 122 of standing for people.
as mentioned above, we are illustrated according to aim of the present invention completely, carry out different changes and enforcement in the scope that the practitioner of correlative technology field can permit at technological thought of the present invention.But the present invention is not limited to above-described embodiment and implementation method, it is corresponding cover fall into appending claims and equivalent thereof scope in various remodeling and change.
Claims (9)
1. a piling attitude reference device, comprise leading truck (1), drive the H profile steel pilot hole (111) be arranged on described leading truck (1), the steel sheet pile pilot hole (112) be connected with the side of H profile steel pilot hole (111) be opened on described leading truck (1), the importing position-limit mechanism be arranged on described leading truck (1)
It is characterized in that: described leading truck (1) comprises the pedestal (11) being positioned at bottom, the support (12) that two bottoms are rotationally connected around the first axle (14) with the left and right sides portion of described pedestal (11) respectively, for the rotation controling mechanism that the support (12) controlled respectively described in two rotates relative to described pedestal (11), described leading truck (1) has open position and make position, under described leading truck (1) is in an open position, the top of the support (12) described in two away from, under described leading truck (1) is in the close position, the top of the support (12) described in two is drawn close mutually,
Described piling attitude reference device also comprises shift mechanism, described shift mechanism comprises two left and right sides being separately positioned on described leading truck (1) and the supporting track (21) that extends along fore-and-aft direction of length, two respectively with corresponding described in the movable stand (22) that is slidably connected of supporting track (21), be connected to the first hydraulic cylinder (23) for being lifted by relative for described pedestal (11) described supporting track (21) between described pedestal (11) and the described movable stand (22) of corresponding side, be arranged on the second hydraulic cylinder (24) for described pedestal (11) and described supporting track (21) all being lifted on described pedestal (11), the slide control mechanism of driving relative sliding is provided with between described supporting track (21) and described movable stand (22),
Described piling attitude reference device also comprises the power control cabinet (31) for controlling each hydraulic cylinder action be arranged on described pedestal (11).
2. piling attitude reference device according to claim 1, it is characterized in that: described rotation controling mechanism comprises the 4th hydraulic cylinder (13) be arranged between each described support (12) and the respective side portion of described pedestal (11), one end and the described support (12) of the 4th described hydraulic cylinder (13) are rotationally connected around the second axle (15), and the other end and the described pedestal (11) of the 4th described hydraulic cylinder (13) are rotationally connected around the 3rd axle (16).
3. piling attitude reference device according to claim 1, is characterized in that: described slide control mechanism comprises the 3rd hydraulic cylinder (25) be connected between described movable stand (22) and described supporting track (21).
4. piling attitude reference device according to claim 1, is characterized in that: be provided with the locking mechanism (17) for being locked in by described leading truck (1) under make position between the top of the support (12) described in two.
5. piling attitude reference device according to claim 1, is characterized in that: described H profile steel pilot hole (111) and described steel sheet pile pilot hole (112) are all opened on described pedestal (11).
6. piling attitude reference device according to claim 5, is characterized in that: described importing position-limit mechanism comprises multiple lowest limit positions pulley (113) be arranged on around H profile steel pilot hole (111).
7. piling attitude reference device according to claim 5, it is characterized in that: the top of each described support (12) has the rack platform (121) that length extends along fore-and-aft direction, H profile steel pilot hole (111) described in contiguous in rack platform (121) described in two be connected with described steel sheet pile pilot hole (112) side described rack platform (121) on be provided with the spacing pulley of pipe (124) that two can be accommodated the pipe on H profile steel plate, the axial line of the wheel shaft of the spacing pulley of the pipe described in two (124) extends along fore-and-aft direction, rack platform (121) described in another is provided with three margin positions pulley (123), the axial line of the wheel shaft of first in margin position pulley (123) described in three extends along fore-and-aft direction, two other in margin position pulley (123) described in three is positioned at the space between the described rack platform (121) described in two, and be positioned at the described both sides, front and back of first, and the axial line of wheel shaft extends along left and right directions.
8. piling attitude reference device according to claim 1, is characterized in that: the bottom of described the second hydraulic cylinder (24) is fixed with discoid leg (241).
9. piling attitude reference device according to claim 1, is characterized in that: the top of the support (12) described in two is respectively arranged with the operating platform (122) of standing for people.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410157755.2A CN103938632B (en) | 2014-04-18 | 2014-04-18 | Piling attitude reference device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410157755.2A CN103938632B (en) | 2014-04-18 | 2014-04-18 | Piling attitude reference device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103938632A CN103938632A (en) | 2014-07-23 |
| CN103938632B true CN103938632B (en) | 2015-12-02 |
Family
ID=51186487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410157755.2A Active CN103938632B (en) | 2014-04-18 | 2014-04-18 | Piling attitude reference device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103938632B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862863B (en) * | 2016-04-19 | 2018-04-10 | 俞晓东 | Bunding engineering piling construction Guide vehicle |
| CN107476304A (en) * | 2016-06-08 | 2017-12-15 | 宜兴市周铁镇生力钻探机械厂 | A kind of I-shaped concrete prefabricated board sunk pile method |
| CN107386295A (en) * | 2017-07-24 | 2017-11-24 | 能诚集团有限公司 | A kind of sedimentation constructing device of underground structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU802457A1 (en) * | 1978-12-12 | 1981-02-07 | Винницкий политехнический институт | Hydraulic pile hammer |
| NL9101747A (en) * | 1991-10-18 | 1993-05-17 | Poot Simon | Device for positioning posts (pillars, stakes), in particular foundation pillars for greenhouses, in the ground |
| CN2305432Y (en) * | 1997-09-05 | 1999-01-27 | 魏德干 | Multipurpose pile machine |
| CN2484351Y (en) * | 2001-08-10 | 2002-04-03 | 张伟斌 | Top-pressed static-pressure piling machine |
| CN2511723Y (en) * | 2001-12-25 | 2002-09-18 | 上海江南造船嘉江船舶机械制造厂 | Hydraulic static pile press with side pile |
| CN1453431A (en) * | 2003-06-02 | 2003-11-05 | 彭志明 | Hydraulic vibrating pile driver |
| CN202466592U (en) * | 2012-02-17 | 2012-10-03 | 中交武汉港湾工程设计研究院有限公司 | Tool type guiding pile-sinking device |
| CN203768908U (en) * | 2014-04-18 | 2014-08-13 | 吴健 | Piling orientation mechanism |
-
2014
- 2014-04-18 CN CN201410157755.2A patent/CN103938632B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU802457A1 (en) * | 1978-12-12 | 1981-02-07 | Винницкий политехнический институт | Hydraulic pile hammer |
| NL9101747A (en) * | 1991-10-18 | 1993-05-17 | Poot Simon | Device for positioning posts (pillars, stakes), in particular foundation pillars for greenhouses, in the ground |
| CN2305432Y (en) * | 1997-09-05 | 1999-01-27 | 魏德干 | Multipurpose pile machine |
| CN2484351Y (en) * | 2001-08-10 | 2002-04-03 | 张伟斌 | Top-pressed static-pressure piling machine |
| CN2511723Y (en) * | 2001-12-25 | 2002-09-18 | 上海江南造船嘉江船舶机械制造厂 | Hydraulic static pile press with side pile |
| CN1453431A (en) * | 2003-06-02 | 2003-11-05 | 彭志明 | Hydraulic vibrating pile driver |
| CN202466592U (en) * | 2012-02-17 | 2012-10-03 | 中交武汉港湾工程设计研究院有限公司 | Tool type guiding pile-sinking device |
| CN203768908U (en) * | 2014-04-18 | 2014-08-13 | 吴健 | Piling orientation mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103938632A (en) | 2014-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6918970B2 (en) | Unlocking device, locking device, battery replacement mobile platform and high speed battery replacement system | |
| CN103938632B (en) | Piling attitude reference device | |
| CN204238851U (en) | One can slide Universal rotary rig | |
| CN211735454U (en) | Slope anchor for building municipal works | |
| CN105569359A (en) | Wall building robot | |
| CN102292504A (en) | Pile driver for use in a confined space with limited head room | |
| CN104563116B (en) | A kind of construction equipment automatically controlling heavy tamping | |
| CN203768908U (en) | Piling orientation mechanism | |
| CN105230185A (en) | Manual pit digger | |
| CN104625143A (en) | Drilling machine with multiple drill bits in linkage | |
| CN112411539B (en) | Water conservancy construction concrete pipe pile installation method | |
| CN105750585A (en) | Drilling machine for steel bar truss floor bearing plate | |
| WO2008103031A1 (en) | Apparatus for driving elongated elements into the ground | |
| CN104150226A (en) | Automatic stacking machine | |
| EP3844347B1 (en) | A device and methods for driving into the ground or pulling from the ground elongated construction elements | |
| CN210262733U (en) | A support frame for bridge construction | |
| US2600542A (en) | Movable device for driving piles and the like | |
| CN113186921A (en) | Pile extractor | |
| CN109160414B (en) | Hoisting equipment suitable for limited space | |
| CN218403292U (en) | Guardrail hoist device with protection machanism | |
| DE102016003254B4 (en) | Process for lifting or inserting sheeting panels from or into an excavation pit, as well as the device itself | |
| CN105946818B (en) | A kind of digging type top car shift unit | |
| CN213648150U (en) | Puncher for construction | |
| CN210597306U (en) | Pile driving frame | |
| CN104476614B (en) | A kind of Novel drilling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |