CN213510428U - Piling device for constructional engineering - Google Patents
Piling device for constructional engineering Download PDFInfo
- Publication number
- CN213510428U CN213510428U CN202022341419.7U CN202022341419U CN213510428U CN 213510428 U CN213510428 U CN 213510428U CN 202022341419 U CN202022341419 U CN 202022341419U CN 213510428 U CN213510428 U CN 213510428U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- pile
- pile driving
- fixed
- box
- 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
- 238000010276 construction Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 30
- 230000000694 effects Effects 0.000 abstract description 13
- 239000011435 rock Substances 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 20
- 238000009435 building construction Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model relates to a pile device technical field just discloses a building engineering is with pile device, including the pile box of driving, the top fixedly connected with hydraulic pump of pile box, the exit fixedly connected with hydraulic stem of hydraulic pump, the fixed push pedal of bottom fixedly connected with of hydraulic stem, the bottom fixedly connected with motor case of fixed push pedal, the interior roof fixedly connected with servo motor of motor case, servo motor's output shaft fixedly connected with drive shaft, the bottom fixedly connected with fixed disk of drive shaft, the bottom swing joint of fixed disk has the connection pad. This pile driving device for building engineering, overall structure is simple, has realized the purpose that the pile driving device is convenient for the location, avoids the pile driving device to take place to rock or the phenomenon of skew at the in-process of piling, has guaranteed the effect of pile driving device to the ground pile, has improved the efficiency of building engineering building, has improved the availability factor and the result of use of pile driving device.
Description
Technical Field
The utility model relates to a pile device technical field specifically is a pile device for building engineering.
Background
The building engineering refers to an engineering entity formed by the construction of various house buildings and their auxiliary facilities and the installation activities of lines, pipelines and equipment matched with the house buildings, wherein the house buildings refer to the engineering which has a top cover, a beam column, a wall, a foundation and can form an internal space and meet the requirements of people on production, living, study and public activities.
In the process of building construction, a pile driving device is often used for driving piles on a foundation to ensure the effect of building construction, but the existing pile driving device for building construction has the defect of inconvenient positioning, so that the pile driving device is easy to shake or shift in the pile driving process, the pile driving quality of the pile driving device on the foundation cannot be ensured, the efficiency of building construction is influenced, the pile driving device is inconvenient to use, the use efficiency and the use effect of the pile driving device are reduced, and the pile driving device for building construction is provided to solve the problem.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a pile device for building engineering possesses advantages such as the location of being convenient for, has solved current pile device for building engineering and has existed the shortcoming of the location of being not convenient for, leads to the pile device at the in-process of pile, takes place the phenomenon of rocking or skew easily, can not guarantee the quality of pile device to the ground pile, has influenced the efficiency of building engineering building, and inconvenient use has reduced the availability factor of pile device and the problem of result of use.
(II) technical scheme
In order to realize the above positioning purpose, the utility model provides a following technical scheme: a pile driving device for constructional engineering comprises a pile driving box body, wherein the top of the pile driving box body is fixedly connected with a hydraulic pump, the outlet of the hydraulic pump is fixedly connected with a hydraulic rod, the bottom of the hydraulic rod is fixedly connected with a fixed push plate, the bottom of the fixed push plate is fixedly connected with a motor box, the inner top wall of the motor box is fixedly connected with a servo motor, the output shaft of the servo motor is fixedly connected with a driving shaft, the bottom of the driving shaft is fixedly connected with a fixed disc, the bottom of the fixed disc is movably connected with a connecting disc, the inner side of the fixed disc is movably connected with a connecting screw, the outer side of the connecting screw is in threaded connection with a connecting nut, the bottom of the connecting disc is fixedly connected with a pile driving screw shaft, the bottom of the pile driving screw shaft is fixedly connected with a, the utility model discloses a pile driving device, including the screw thread piece, the inboard threaded connection of screw thread piece has the threaded rod, the manual turning handle of top fixedly connected with of threaded rod, the bottom fixedly connected with locating piece of threaded rod, the equal fixedly connected with universal wheel in four corners of pile box bottom, the fixed handle that pushes away of right side fixedly connected with of pile box, the inboard fixedly connected with dead lever of pile box, the positive swing joint of pile box has the box door.
Preferably, the number of the thread blocks, the threaded rods, the manual rotating handle and the positioning blocks is two, the number of the universal wheels is four, and threaded holes matched with threads on the outer sides of the threaded rods are formed in the inner sides of the thread blocks.
Preferably, the bottom end of the driving shaft penetrates through the motor box and extends to the top of the connecting disc, and the bottom end of the connecting screw penetrates through the fixing disc, the connecting disc and the connecting nut in sequence and extends to the inner side of the connecting nut.
Preferably, two sliding holes are formed in the inner side of the fixed push plate, the number of the fixed rods is two, the fixed rods are respectively connected with the two sliding holes in a sliding mode, and the front face of the box body door is fixedly connected with a fixed handle.
Preferably, the bottom of the piling box body is provided with a fixed square hole, the piling screw shaft is positioned on the inner side of the fixed square hole, the length of the fixed square hole is greater than that of the motor box, and the number of the universal wheels is four.
Preferably, the bottom end of the hydraulic rod penetrates through the piling box body and extends to the top of the fixed push plate, the number of the connecting screws and the number of the connecting nuts are six, and the positioning block is in a conical shape.
(III) advantageous effects
Compared with the prior art, the utility model provides a building engineering is with pile device possesses following beneficial effect:
this pile driving device for building engineering, push away the handle through setting up four universal wheels and fixed, can remove the pile driving box to appointed pile driving place, when needs fix a position the pile driving box, through rotating manual turning handle, can drive threaded rod and locating piece in proper order and rotate, because the inboard of screw piece sets up the screw hole with threaded rod outside screw thread looks adaptation, the screw hole contacts and produces the displacement with threaded rod outside screw thread, so in the screw rod pivoted process, can drive rotatory the moving downwards of locating piece, in the in-process that the locating piece moved downwards, can stretch into the inboard of ground, thereby can fix a position the pile driving box, through setting up two screw pieces, two threaded rods and two locating pieces, can improve the stability of pile driving box location, the effect of pile driving box location has been guaranteed, can drive the drive shaft in proper order through servo motor, the pile driving box is fixed, The fixed disc, the connecting disc, the pile driving screw shaft and the pile driving head rotate to enable the pile driving head to be in a working state, hydraulic oil is pumped into the inner side of the hydraulic rod through the hydraulic pump to enable the hydraulic rod to drive, the fixed push plate, the motor box, the servo motor, the driving shaft, the fixed disc, the connecting disc, the pile driving screw shaft and the pile driving head to move downwards can be sequentially driven through the hydraulic rod, the pile driving head can drive a foundation in the downward moving process in cooperation with the rotation of the pile driving head, the pile driving screw shaft can loosen the soil of the foundation in the pile driving process, the phenomenon that the pile driving head deflects the pile driving box body due to too large resistance in the pile driving process is avoided, the whole structure is simple, the use is convenient, the purpose of facilitating the positioning of the pile driving device is realized, and the phenomenon that the pile driving device shakes or deflects in the pile driving process is avoided, the effect of pile driver equipment to the ground pile has been guaranteed, the efficiency of building engineering building has been improved, the availability factor and the result of use of pile driver equipment have been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the pile driving box connecting structure of the present invention;
fig. 3 is a top view of the fixing plate connecting structure in the structure of the present invention.
In the figure: the pile driving device comprises a pile driving box body 1, a hydraulic pump 2, a hydraulic rod 3, a fixed push plate 4, a motor box 5, a servo motor 6, a driving shaft 7, a fixed disc 8, a connecting disc 9, a connecting screw 10, a connecting nut 11, a pile driving screw shaft 12, a pile driving head 13, a thread block 14, a threaded rod 15, a manual rotating handle 16, a positioning block 17, a universal wheel 18, a fixed push handle 19, a fixed rod 20 and a box body door 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a pile driving device for construction engineering comprises a pile driving box body 1, a hydraulic pump 2 is fixedly connected to the top of the pile driving box body 1, the type of the hydraulic pump 2 can be MMP3-C2L100AA-DEFLM, a hydraulic rod 3 is fixedly connected to the outlet of the hydraulic pump 2, a fixed push plate 4 is fixedly connected to the bottom end of the hydraulic rod 3, a motor box 5 is fixedly connected to the bottom of the fixed push plate 4, a servo motor 6 is fixedly connected to the inner top wall of the motor box 5, the type of the servo motor 6 can be YB2-315S-6-70, a driving shaft 7 is fixedly connected to the output shaft of the servo motor 6, a fixed disk 8 is fixedly connected to the bottom end of the driving shaft 7, a connection disk 9 is movably connected to the bottom of the fixed disk 8, a connection screw 10 is movably connected to the inner side of the fixed disk 8, a connection nut 11 is connected to the outer side of, the bottom end of a connecting screw 10 penetrates through a fixing disc 8, a connecting disc 9 and a connecting nut 11 in sequence and extends to the inner side of the connecting nut 11, the bottom of the connecting disc 9 is fixedly connected with a piling screw shaft 12, the bottom end of the piling screw shaft 12 is fixedly connected with a piling machine head 13, the left side and the right side of a piling box body 1 are both fixedly connected with thread blocks 14, the inner side threads of the thread blocks 14 are connected with threaded rods 15, the top end of each threaded rod 15 is fixedly connected with a manual rotating handle 16, the bottom end of each threaded rod 15 is fixedly connected with a positioning block 17, the bottom end of a hydraulic rod 3 penetrates through the piling box body 1 and extends to the top of a fixed push plate 4, the number of the connecting screw 10 and the number of the connecting nut 11 are six, the positioning blocks 17 are in a conical shape, four corners of the bottom of the piling box body 1 are both fixedly, the length of the fixed square hole is greater than that of the motor box 5, the number of the universal wheels 18 is four, the number of the thread block 14, the threaded rod 15, the manual rotating handle 16 and the positioning block 17 is two, the number of the universal wheels 18 is four, the inner side of the thread block 14 is provided with a threaded hole matched with the outer thread of the threaded rod 15, the right side of the pile driving box body 1 is fixedly connected with a fixed pushing handle 19, the pile driving box body 1 can be moved to a specified pile driving place by arranging the four universal wheels 18 and the fixed pushing handle 19, when the pile driving box body 1 needs to be positioned, the threaded rod 15 and the positioning block 17 can be sequentially driven to rotate by rotating the manual rotating handle 16, because the inner side of the thread block 14 is provided with a threaded hole matched with the outer thread of the threaded rod 15, the threaded hole is in contact with the outer thread of the threaded rod 15 and generates displacement, the threaded rod 15 can drive the positioning block 17 to rotate, the positioning block 17 can extend into the inner side of the foundation in the downward movement process so as to position the pile driving box body 1, the two thread blocks 14, the two threaded rods 15 and the two positioning blocks 17 are arranged to improve the positioning stability of the pile driving box body 1 and ensure the positioning effect of the pile driving box body 1, the driving shaft 7, the fixed disc 8, the connecting disc 9, the pile driving screw shaft 12 and the pile driving head 13 can be sequentially driven by the servo motor 6 to rotate, the pile driving head 13 is in a working state, hydraulic oil is pumped into the inner side of the hydraulic rod 3 by the hydraulic pump 2 so as to drive the hydraulic rod 3, the fixed push plate 4, the motor box 5, the servo motor 6, the driving shaft 7, the fixed disc 8, the connecting disc 9, the pile driving screw shaft 12 and the pile driving head 13 can be sequentially driven by the hydraulic rod 3 to move downwards, and the pile driving head 13 is matched with the rotation of the pile driving head 13 in the, the pile driving screw shaft 12 can be used for piling a foundation, the pile driving head 13 can loosen the soil in the pile driving process in the process of driving the pile, the phenomenon that the pile driving head 13 deflects the pile driving box body 1 due to too large resistance in the pile driving process is avoided, the integral structure is simple, the use is convenient, the purpose of facilitating the positioning of the pile driving device is achieved, the phenomenon that the pile driving device shakes or deflects in the pile driving process is avoided, the effect of the pile driving device on the foundation is ensured, the efficiency of the building engineering construction is improved, the use efficiency and the use effect of the pile driving device are improved, the fixing rod 20 is fixedly connected to the inner side of the pile driving box body 1, the box body door 21 is movably connected to the front side of the pile driving box body 1, the two sliding holes are formed in the inner side of the fixed push plate 4, the number of the fixing rods 20 is two, the two fixing rods 20 are respectively connected with the two sliding holes in a sliding manner, the front of the box body door 21 is fixedly connected with a fixed handle.
When using, through setting up four universal wheels 18 and fixed handle 19 that pushes away, can remove the pile box 1 to appointed pile place, when needs fix a position pile box 1, through rotating manual turning handle 16, can drive threaded rod 15 and locating piece 17 in proper order and rotate, because the screw hole with the threaded rod 15 outside screw thread looks adaptation is seted up to the inboard of screw block 14, the screw hole contacts and produces the displacement with the threaded rod 15 outside screw thread, so threaded rod 15 pivoted in-process, can drive the rotatory downstream that carries on of locating piece 17, locating piece 17 downstream's in-process, can stretch into the inboard of ground, thereby can fix a position pile box 1.
To sum up, the piling device for the construction engineering can move the piling box body 1 to a designated piling place by arranging the four universal wheels 18 and the fixed push handle 19, when the piling box body 1 needs to be positioned, the threaded rod 15 and the positioning block 17 can be sequentially driven to rotate by rotating the manual rotating handle 16, because the inner side of the threaded block 14 is provided with a threaded hole matched with the outer side thread of the threaded rod 15, the threaded hole is contacted with the outer side thread of the threaded rod 15 and generates displacement, the positioning block 17 can be driven to rotate to move downwards in the rotating process of the threaded rod 15, the positioning block 17 can extend into the inner side of a foundation in the downward moving process, so that the piling box body 1 can be positioned, and by arranging the two threaded blocks 14, the two threaded rods 15 and the two positioning blocks 17, the positioning stability of the piling box body 1 can be improved, and the positioning effect of the piling box body 1 is ensured, the driving shaft 7, the fixing disc 8, the connecting disc 9, the pile driving screw shaft 12 and the pile driving head 13 can be sequentially driven to rotate through the servo motor 6, the pile driving head 13 is in a working state, hydraulic oil is pumped into the inner side of the hydraulic pressure rod 3 through the hydraulic pump 2, the hydraulic rod 3 is driven, the fixed push plate 4, the motor box 5, the servo motor 6, the driving shaft 7, the fixing disc 8, the connecting disc 9, the pile driving screw shaft 12 and the pile driving head 13 can be sequentially driven through the hydraulic rod 3, the foundation can be driven by the pile driving head 13 to move downwards in the downward movement process of the pile driving head 13 in cooperation with the rotation of the pile driving head 13, the soil can be loosened to the foundation by the pile driving head 13 in the pile driving process, the phenomenon that the pile driving box body 1 is deviated due to too large resistance of the pile driving head 13 in the pile driving process is avoided, and the whole structure is simple, facilitate the use, the purpose that the pile device is convenient for the location has been realized, avoid the pile device to take place to rock or the phenomenon of skew at the in-process of pile, the effect of pile device to the ground pile has been guaranteed, the efficiency of building engineering building has been improved, the availability factor and the result of use of pile device have been improved, the shortcoming of the location of being not convenient for of pile device existence for current building engineering has been solved, lead to the pile device at the in-process of pile, the easy phenomenon of rocking or skew of taking place, can not guarantee the quality of pile device to the ground pile, the efficiency of building engineering building has been influenced, inconvenient use, the availability factor of pile device and the problem of result of use have been reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a building engineering is with pile device, includes pile box (1), its characterized in that: the hydraulic pile driving device comprises a pile driving box body (1), a hydraulic pump (2) is fixedly connected to the top of the pile driving box body (1), a hydraulic rod (3) is fixedly connected to an outlet of the hydraulic pump (2), a fixed push plate (4) is fixedly connected to the bottom of the hydraulic rod (3), a motor box (5) is fixedly connected to the bottom of the fixed push plate (4), a servo motor (6) is fixedly connected to the inner top wall of the motor box (5), a driving shaft (7) is fixedly connected to an output shaft of the servo motor (6), a fixed disc (8) is fixedly connected to the bottom of the driving shaft (7), a connecting disc (9) is movably connected to the bottom of the fixed disc (8), a connecting screw (10) is movably connected to the inner side of the fixed disc (8), a connecting nut (11) is connected to the outer side of the connecting screw (, the utility model discloses a pile driving device, including pile driving screw axis (12), the equal fixedly connected with screw block (14) in the left and right sides of pile driving screw axis (12), the inboard threaded connection of screw block (14) has threaded rod (15), the manual turning handle (16) of top fixedly connected with of threaded rod (15), the bottom fixedly connected with locating piece (17) of threaded rod (15), the equal fixedly connected with universal wheel (18) in four corners of pile driving box (1) bottom, the fixed handle (19) that pushes away of right side fixedly connected with of pile driving box (1), inboard fixedly connected with dead lever (20) of pile driving box (1), the front swing joint of pile driving box (1) has box door (21).
2. A piling device for construction engineering according to claim 1, wherein: the number of the thread blocks (14), the threaded rods (15), the manual rotating handle (16) and the positioning blocks (17) is two, the number of the universal wheels (18) is four, and threaded holes matched with the threads on the outer side of the threaded rods (15) are formed in the inner side of each thread block (14).
3. A piling device for construction engineering according to claim 1, wherein: the bottom of drive shaft (7) runs through motor case (5) and extends to the top of connection pad (9), the bottom of connecting screw (10) runs through fixed disk (8), connection pad (9) and coupling nut (11) in proper order and extends to the inboard of coupling nut (11).
4. A piling device for construction engineering according to claim 1, wherein: two sliding holes are formed in the inner side of the fixed push plate (4), the number of the fixing rods (20) is two, the fixing rods (20) are respectively connected with the two sliding holes in a sliding mode, and the front face of the box body door (21) is fixedly connected with a fixed handle.
5. A piling device for construction engineering according to claim 1, wherein: the bottom of the piling box body (1) is provided with a fixed square hole, the piling screw shaft (12) is located on the inner side of the fixed square hole, the length of the fixed square hole is larger than that of the motor box (5), and the number of the universal wheels (18) is four.
6. A piling device for construction engineering according to claim 1, wherein: the bottom of hydraulic stem (3) runs through pile box (1) and extends to the top of fixed push pedal (4), the quantity of connecting screw (10) and coupling nut (11) is six, locating piece (17) are the conical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022341419.7U CN213510428U (en) | 2020-10-20 | 2020-10-20 | Piling device for constructional engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022341419.7U CN213510428U (en) | 2020-10-20 | 2020-10-20 | Piling device for constructional engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213510428U true CN213510428U (en) | 2021-06-22 |
Family
ID=76400561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022341419.7U Expired - Fee Related CN213510428U (en) | 2020-10-20 | 2020-10-20 | Piling device for constructional engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213510428U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931183A (en) * | 2021-10-25 | 2022-01-14 | 李扬 | Anti-deviation adjustable piling device for building engineering |
| CN113969580A (en) * | 2021-11-02 | 2022-01-25 | 中信建设有限责任公司 | A construction platform for construction steel sheet pile construction |
-
2020
- 2020-10-20 CN CN202022341419.7U patent/CN213510428U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931183A (en) * | 2021-10-25 | 2022-01-14 | 李扬 | Anti-deviation adjustable piling device for building engineering |
| CN113931183B (en) * | 2021-10-25 | 2023-08-11 | 山东省淦程地基基础工程有限公司 | Anti-offset adjustable pile driving device for constructional engineering |
| CN113969580A (en) * | 2021-11-02 | 2022-01-25 | 中信建设有限责任公司 | A construction platform for construction steel sheet pile construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213510428U (en) | Piling device for constructional engineering | |
| CN214835048U (en) | Assembled beam column node rapid strengthening device | |
| CN211081029U (en) | Template fixing device for building engineering construction | |
| CN217782047U (en) | Precast tubular pile stake core cleaning device | |
| CN214238787U (en) | Novel continuity cement pipe make-up machine | |
| CN209741832U (en) | Building foundation pile fastening device | |
| CN217028185U (en) | Building engineering cement mortar floating device | |
| CN221001375U (en) | Pipeline dredging mechanism | |
| CN206360170U (en) | A kind of modular architectural girder steel and exterior wall dried hanging structure | |
| CN221118464U (en) | Vacuum drainage device for soft foundation | |
| CN220486448U (en) | Precast tubular pile head cleaning tool | |
| CN216108501U (en) | Bridge deepwater pile foundation steel protects a position appearance positioner | |
| CN215367348U (en) | Roller type limiter for steel cofferdam construction | |
| CN216406266U (en) | Strutting arrangement for civil engineering | |
| CN217204067U (en) | Automatic high-efficient pile equipment of building engineering | |
| CN218624079U (en) | Positioning device for foundation engineering | |
| CN215483633U (en) | Steel construction cylinder column base nodal connection structure | |
| CN214430040U (en) | Digging device for landscaping | |
| CN222019867U (en) | Maintenance device | |
| CN220451458U (en) | Waterproof coiled material laying tool | |
| CN214573951U (en) | Pile digging device for concrete pipe piles in constructional engineering | |
| CN216423066U (en) | Grooving device for pipeline installation engineering | |
| CN213540378U (en) | Exploration tool for building foundation construction | |
| CN213798076U (en) | HDPE pipeline winding device | |
| CN219691168U (en) | Decoration construction bottom plate reinforced structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210622 |