CN114718069A - Sleeve type shallow layer soft soil pile construction device - Google Patents
Sleeve type shallow layer soft soil pile construction device Download PDFInfo
- Publication number
- CN114718069A CN114718069A CN202210343127.8A CN202210343127A CN114718069A CN 114718069 A CN114718069 A CN 114718069A CN 202210343127 A CN202210343127 A CN 202210343127A CN 114718069 A CN114718069 A CN 114718069A
- Authority
- CN
- China
- Prior art keywords
- pile construction
- soft soil
- soil pile
- construction device
- telescopic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/20—Placing by pressure or pulling power
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/26—Prefabricated piles made of timber with or without reinforcement; Means affording protection against spoiling of the wood; Self-cleaning of piles placed in water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a sleeve building type shallow soft soil pile construction device, which belongs to the field of buildings and comprises a top plate, a hydraulic cylinder body, a displacement rod and a clamping joint, wherein the power output end of the hydraulic cylinder body is connected with the displacement rod; this novel construction equipment's joint can conveniently be changed as required, and construction equipment can provide good illuminating effect when the construction, and the personnel of being convenient for observe the particular case when cork stake is under construction, and construction equipment when the installation firm effect is good, possesses good reliability when using, is fit for extensively using widely.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a sleeve type shallow soft soil pile construction device.
Background
Traditional telescopic weak soil pile construction equipment, including taking out the calandria outward, take out the calandria outward and have the intermediate layer cavity, the both sides wall of intermediate layer cavity adopts the connecting strip to connect, takes out the calandria bottom outward and has annular pointed end, and it has the hole of permeating water to distribute on the lateral wall of intermediate layer cavity, take out the calandria outward and have the inner tube, the inner tube adopts at least three floor with taking out the calandria outward to be connected, the inner tube disposes the inner end, and the inner tube pegs graft with the inner tube, and the inner tube disposes interior mud pumping mechanism, and interior mud pumping mechanism outwards discharges silt via the inner end, intermediate layer cavity upper end configuration annular outer end, annular outer end peg graft with intermediate layer cavity upper end, and the intermediate layer cavity disposes outer pumping mechanism, and outer pumping mechanism outwards discharges water via the outer end of annular. Because the regional water content of soft soil is big, drainage and reinforcement are more considered to traditional telescopic soft soil pile construction equipment, and convenience and the reliability to the device use are considered a lot, consequently have following shortcoming: 1. the clamping joint of the construction device can not be conveniently replaced according to the requirement; 2. the construction device cannot provide good lighting effect during construction; 3. the construction apparatus has a poor stabilizing effect when installed. Accordingly, those skilled in the art have provided a telescopic shallow soft soil pile construction device to solve the problems set forth in the above background art.
Disclosure of Invention
The invention aims to solve the technical problem of providing a sleeve type shallow soft soil pile construction device, which has the advantages of convenient replacement of a clamping joint of the device, good construction stability and self-illumination function.
In order to achieve the purpose, the invention provides the following technical scheme:
telescopic shallow layer weak soil stake construction equipment, including roof, pneumatic cylinder body, displacement pole and joint, the power take off end of pneumatic cylinder body is connected with the displacement pole, displacement pole bottom periphery is provided with the disc lug, the spacing groove has been seted up to displacement pole and disc lug bottom, the displacement pole lower extreme is provided with the joint, the joint top is provided with kicking block and kicking block top and has seted up the recess, the disc lug card is located in the recess, the bottom welding has the nose bar in the recess.
As a still further scheme of the invention: first positioning screw has been seted up to nose bar top one side, the nose bar is located the spacing inslot, first set screw is installed through the thread groove in displacement pole bottom one side, carry out fixed connection through first set screw and first positioning screw between nose bar and the spacing groove, utilize first set screw and first positioning screw to conveniently connect nose bar and spacing groove.
As a still further scheme of the invention: second positioning screw holes are formed in two ends of the disc-shaped protruding block, second positioning screws are installed at two ends of the jacking block through threaded holes, the disc-shaped protruding block and the groove are fixedly connected through the second positioning screws and the second positioning screw holes, and the disc-shaped protruding block and the groove are conveniently fastened and connected through the second positioning screws and the second positioning screw holes.
As a still further scheme of the invention: the top plate bottom both ends all weld have lug and lug inner wall to seted up the draw-in groove, the annular piece of pneumatic cylinder body periphery through first bolt fixedly connected with, the annular piece of utilizing first bolted connection installation can make the pneumatic cylinder body periphery possess firm mounting structure.
As a still further scheme of the invention: the two ends of the annular block are clamped in the clamping grooves, the outer side of the convex block is provided with a third bolt through a screw hole, and the annular block and the convex block are fastened and connected through the third bolt.
As a still further scheme of the invention: the outer side of the bottom end of the hydraulic cylinder body is provided with a fixed plate, two ends of the bottom of the fixed plate are respectively provided with a mounting seat, and halogen lamps are mounted at the bottom of the mounting seats through screws.
As a still further scheme of the invention: the roof both ends all weld the connecting plate, connecting plate top one side and bottom one side all are provided with the second bolt through the preformed hole.
As a still further scheme of the invention: and reinforcing plates are arranged at the connecting corners of the top plate and the connecting plates.
As a still further scheme of the invention: the joint groove has been seted up to joint head bottom, pneumatic cylinder body one end is close to top department and bottom department and is provided with oil inlet and oil return opening respectively, utilizes the joint groove of joint head bottom, can with cork pile top cooperation joint, utilizes oil inlet and oil return opening to make things convenient for the oil feed and the oil return of pneumatic cylinder body.
Compared with the prior art, the invention has the beneficial effects that:
1. utilize first set screw and first location screw to conveniently be connected nose bar and spacing groove, utilize second set screw and second location screw to conveniently fasten between disc lug and the recess and be connected to carry out fixed connection between joint and the displacement pole, personnel can unscrew first set screw and second set screw, and the change is dismantled to the joint to the convenience as required.
2. The halogen lamps arranged at the two ends of the bottom of the fixing plate can provide a good lighting effect during construction, and personnel can observe the specific situation of the cork pile during construction conveniently.
3. Utilize the second bolt that connecting plate top one side and bottom one side set up, can effectively promote the firm effect when connecting between connecting plate and the outside waiting mounting structure, the annular piece that utilizes first bolted connection installation can make the pneumatic cylinder body periphery possess firm mounting structure, utilize the third bolt convenience to carry out fixed connection between annular piece and the lug, firm effect when making to be connected between pneumatic cylinder body and the roof is better, and then make the firm effect of this construction equipment when the installation better.
Drawings
Fig. 1 is a schematic view of the overall structure of the sleeve type shallow soft soil pile construction device of the present invention.
Fig. 2 is a schematic view of a convex rod of the sleeve type shallow soft soil pile construction device.
Fig. 3 is a schematic view of a clamping groove of the sleeve type shallow soft soil pile construction device.
Fig. 4 is a schematic view of a second positioning screw hole and a limiting groove of the sleeve type shallow soft soil pile construction device.
In the figure: 1. a top plate; 2. a hydraulic cylinder body; 3. a first bolt; 4. a ring block; 5. a connecting plate; 6. a second bolt; 7. a reinforcing plate; 8. a third bolt; 9. a bump; 10. a card slot; 11. an oil inlet; 12. an oil return port; 13. a fixing plate; 14. a mounting seat; 15. a halogen lamp; 16. a displacement rod; 17. a first set screw; 18. a disc-shaped projection; 19. clamping a connector; 20. a top block; 21. a second set screw; 22. a nose bar; 23. a first positioning screw hole; 24. a clamping groove; 25. a second positioning screw hole; 26. a limiting groove; 27. and (6) a groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front", "back", "left", "right", "upper" and "lower" refer to directions in the drawings, and the terms "bottom" and "top", "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component, as follows:
referring to fig. 1-4, in the embodiment of the present invention, the sleeve type shallow soft soil pile construction device includes a top plate 1, a hydraulic cylinder body 2, a displacement rod 16 and a clamping joint 19, the power output end of the hydraulic cylinder body 2 is connected to the displacement rod 16, a disc-shaped protrusion 18 is disposed on the periphery of the bottom end of the displacement rod 16, a limiting groove 26 is disposed at the bottoms of the displacement rod 16 and the disc-shaped protrusion 18, the clamping joint 19 is disposed at the lower end of the displacement rod 16, a top block 20 is disposed at the top of the clamping joint 19, a groove 27 is disposed at the top of the top block 20, the disc-shaped protrusion 18 is clamped in the groove 27, and a convex rod 22 is welded at the bottom of the groove 27.
Wherein, one side of the top end of the convex rod 22 is provided with a first positioning screw hole 23, the convex rod 22 is positioned in the limit groove 26, one side of the bottom end of the displacement rod 16 is provided with a first positioning screw 17 through a thread groove, and the convex rod 22 and the limit groove 26 are fixedly connected through the first positioning screw 17 and the first positioning screw hole 23; the first positioning screw 17 and the first positioning screw hole 23 are used for conveniently connecting the convex rod 22 and the limiting groove 26.
The disc-shaped projection 18 and the groove 27 are connected and fixed through the second positioning screw 21 and the second positioning screw hole 25; the disc-shaped projection 18 and the recess 27 are fastened together by means of a second set screw 21 and a second set screw hole 25.
The two ends of the bottom of the top plate 1 are welded with lugs 9, clamping grooves 10 are formed in the inner walls of the lugs 9, and the periphery of the hydraulic cylinder body 2 is fixedly connected with an annular block 4 through a first bolt 3; the ring blocks 4 connected and installed by the first bolts 3 can enable the periphery of the hydraulic cylinder body 2 to have a stable installation structure.
The two ends of the annular block 4 are clamped in the clamping grooves 10, the outer side of the bump 9 is provided with a third bolt 8 through a screw hole, and the annular block 4 and the bump 9 are fastened and connected through the third bolt 8; the fixed connection between the ring block 4 and the projection 9 is facilitated by the third bolt 8.
The outer side of the bottom end of the hydraulic cylinder body 2 is provided with a fixing plate 13, two ends of the bottom of the fixing plate 13 are respectively provided with a mounting seat 14, and the bottom of the mounting seat 14 is provided with a halogen lamp 15 through a screw; with the halogen lamps 15 installed at both ends of the bottom of the fixed plate 13, a good lighting effect can be provided at the time of construction.
Wherein, connecting plates 5 are welded at two ends of the top plate 1, and second bolts 6 are arranged at one side of the top end and one side of the bottom end of each connecting plate 5 through preformed holes; the connection of the connection plate 5 to an external structure is facilitated by means of a second bolt 6.
Wherein, a reinforcing plate 7 is arranged at the connecting corner of the top plate 1 and the connecting plate 5; the reinforcing plate 7 can effectively improve the overall strength of the top plate 1 and the connecting plate 5 after connection.
Wherein, the bottom of the clamping joint 19 is provided with a clamping groove 24, and one end of the hydraulic cylinder body 2 close to the top end and the bottom end are respectively provided with an oil inlet 11 and an oil return port 12; the clamping groove 24 at the bottom of the clamping joint 19 can be matched and clamped with the top of the cork pile, and the oil inlet 11 and the oil return opening 12 are used for facilitating oil inlet and oil return of the hydraulic cylinder body 2.
The working principle of the invention is as follows: the connecting plate 5 is conveniently connected with an external structure to be connected by a second bolt 6, the external connecting structure is a construction carrying vehicle body, the construction device can be lifted to the construction height by a driving device of the construction carrying vehicle body, a person inserts the convex rod 22 into the limit groove 26 to clamp the disc-shaped convex block 18 in the groove 27, the convex rod 22 and the limit groove 26 are conveniently connected by the first positioning screw 17 and the first positioning screw hole 23, the disc-shaped convex block 18 and the groove 27 are conveniently fastened and connected by the second positioning screw 21 and the second positioning screw hole 25, so that the clamping joint 19 and the displacement rod 16 are fixedly connected, the clamping groove 24 at the bottom of the clamping joint 19 can be matched and clamped with the top of the cork pile, so that the clamping joint 19 can be driven to move in the vertical direction when the hydraulic cylinder body 2 works to carry out downward pressing construction on the cork pile, personnel can unscrew the first positioning screw 17 and the second positioning screw 21, the clamping head 19 is convenient to disassemble and replace as required, the halogen lamps 15 arranged at the two ends of the bottom of the fixing plate 13 can provide good lighting effect during construction, the personnel can conveniently observe the specific situation during cork pile construction, the second bolts 6 arranged at one side of the top end and one side of the bottom end of the connecting plate 5 can effectively improve the stabilizing effect when the connecting plate 5 is connected with an external structure to be installed, the reinforcing plate 7 can improve the overall strength of the top plate 1 and the connecting plate 5 after connection, the annular block 4 connected and installed by the first bolt 3 can enable the periphery of the hydraulic cylinder body 2 to have a stable installation structure, the third bolt 8 is convenient to fixedly connect the annular block 4 and the convex block 9, and the stabilizing effect when the hydraulic cylinder body 2 is connected with the top plate 1 is better, therefore, the construction device has better stable effect when being installed.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The utility model provides a telescopic shallow layer weak soil pile construction equipment, includes roof (1), pneumatic cylinder body (2), displacement pole (16) and joint (19), its characterized in that: the power take off end of pneumatic cylinder body (2) is connected with displacement pole (16), displacement pole (16) bottom periphery is provided with disc lug (18), spacing groove (26) have been seted up to displacement pole (16) and disc lug (18) bottom, displacement pole (16) lower extreme is provided with joint (19), joint (19) top is provided with kicking block (20) and kicking block (20) top and has seted up recess (27), disc lug (18) card is located in recess (27), the bottom welding has nose bar (22) in recess (27).
2. The telescopic shallow soft soil pile construction device according to claim 1, characterized in that: first positioning screw hole (23) have been seted up to nose bar (22) top one side, nose bar (22) are located spacing groove (26), first positioning screw (17) are installed through the thread groove in displacement pole (16) bottom one side, carry out fixed connection through first positioning screw (17) and first positioning screw hole (23) between nose bar (22) and spacing groove (26).
3. The telescopic shallow soft soil pile construction device according to claim 1 or 2, characterized in that: second positioning screw holes (25) are formed in the two ends of the disc-shaped protruding block (18), second positioning screws (21) are installed at the two ends of the ejecting block (20) through threaded holes, and the disc-shaped protruding block (18) and the groove (27) are fixedly connected through the second positioning screws (21) and the second positioning screw holes (25).
4. The telescopic shallow soft soil pile construction device according to claim 1 or 2, characterized in that: the hydraulic cylinder is characterized in that the two ends of the bottom of the top plate (1) are welded with the convex blocks (9) and the inner walls of the convex blocks (9) are provided with clamping grooves (10), and the periphery of the hydraulic cylinder body (2) is fixedly connected with the annular blocks (4) through the first bolts (3).
5. The telescopic shallow soft soil pile construction device according to claim 4, wherein: the clamping groove (10) is arranged at two ends of the annular block (4), the third bolt (8) is installed on the outer side of the bump (9) through a screw hole, and the annular block (4) and the bump (9) are connected in a fastening mode through the third bolt (8).
6. The telescopic shallow soft soil pile construction device according to claim 1 or 2, characterized in that: the outer side of the bottom end of the hydraulic cylinder body (2) is provided with a fixing plate (13), and both ends of the bottom of the fixing plate (13) are provided with mounting seats (14) and halogen lamps (15) are mounted at the bottoms of the mounting seats (14) through screws.
7. The telescopic shallow soft soil pile construction device according to claim 5, characterized in that: the outer side of the bottom end of the hydraulic cylinder body (2) is provided with a fixing plate (13), and both ends of the bottom of the fixing plate (13) are provided with mounting seats (14) and halogen lamps (15) are mounted at the bottoms of the mounting seats (14) through screws.
8. The telescopic shallow soft soil pile construction device according to claim 1 or 2, characterized in that: roof (1) both ends all weld connecting plate (5), connecting plate (5) top one side and bottom one side all are provided with second bolt (6) through the preformed hole.
9. The telescopic shallow soft soil pile construction device according to claim 8, characterized in that: and a reinforcing plate (7) is arranged at the connecting corner of the top plate (1) and the connecting plate (5).
10. The telescopic shallow soft soil pile construction device according to claim 1 or 2, characterized in that: the bottom of the clamping joint (19) is provided with a clamping groove (24), and one end of the hydraulic cylinder body (2) close to the top end and the bottom end are respectively provided with an oil inlet (11) and an oil return opening (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210343127.8A CN114718069B (en) | 2022-04-02 | 2022-04-02 | Sleeve type shallow layer soft soil pile construction device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210343127.8A CN114718069B (en) | 2022-04-02 | 2022-04-02 | Sleeve type shallow layer soft soil pile construction device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114718069A true CN114718069A (en) | 2022-07-08 |
CN114718069B CN114718069B (en) | 2023-09-05 |
Family
ID=82242937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210343127.8A Active CN114718069B (en) | 2022-04-02 | 2022-04-02 | Sleeve type shallow layer soft soil pile construction device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114718069B (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20100086162A (en) * | 2009-01-22 | 2010-07-30 | 정인배 | Attachable and detachable joint apparatus of steelpipepile and concretepile for foundation work |
CN211036980U (en) * | 2019-11-21 | 2020-07-17 | 龙口矿业集团有限公司 | Pneumatic pile driver |
CN213204103U (en) * | 2020-08-17 | 2021-05-14 | 中铁一局集团有限公司 | Detachable steel sleeve |
CN113152452A (en) * | 2021-02-05 | 2021-07-23 | 温州电力设计有限公司 | Novel stock stake of improvement for building |
CN113931168A (en) * | 2021-10-19 | 2022-01-14 | 安徽省公路桥梁工程有限公司 | Connecting structure of precast pile configured with glass fiber reinforcement and construction method of connecting structure |
CN215977259U (en) * | 2021-08-18 | 2022-03-08 | 河南华兴勘测设计研究院有限公司 | Pile driver |
-
2022
- 2022-04-02 CN CN202210343127.8A patent/CN114718069B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20100086162A (en) * | 2009-01-22 | 2010-07-30 | 정인배 | Attachable and detachable joint apparatus of steelpipepile and concretepile for foundation work |
CN211036980U (en) * | 2019-11-21 | 2020-07-17 | 龙口矿业集团有限公司 | Pneumatic pile driver |
CN213204103U (en) * | 2020-08-17 | 2021-05-14 | 中铁一局集团有限公司 | Detachable steel sleeve |
CN113152452A (en) * | 2021-02-05 | 2021-07-23 | 温州电力设计有限公司 | Novel stock stake of improvement for building |
CN215977259U (en) * | 2021-08-18 | 2022-03-08 | 河南华兴勘测设计研究院有限公司 | Pile driver |
CN113931168A (en) * | 2021-10-19 | 2022-01-14 | 安徽省公路桥梁工程有限公司 | Connecting structure of precast pile configured with glass fiber reinforcement and construction method of connecting structure |
Also Published As
Publication number | Publication date |
---|---|
CN114718069B (en) | 2023-09-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN209353751U (en) | The vertical connection construction guiding of assembled architecture steel concrete composite module is to positive clamping device | |
CN114718069A (en) | Sleeve type shallow layer soft soil pile construction device | |
CN201747047U (en) | Wedge-shaped dovetail connecting structure capable of being assembled or disassembled rapidly | |
CN217268437U (en) | Assembled PC stair | |
CN108221684B (en) | A kind of steel structure scaffolding structure of municipal construction | |
CN210716272U (en) | BIM-based structural steel double-spliced combined support for electromechanical integrated pipeline installation | |
CN217437487U (en) | Settlement joint aluminum formwork mounting fixture | |
CN111791843B (en) | Trailer rollover hydraulic device | |
CN206428959U (en) | A kind of scaffold upright rod base | |
CN218366140U (en) | Dismantled and assembled injection molding machine material loading ladder | |
CN212797118U (en) | Automobile side fence outer plate front lap plate with auxiliary mounting structure | |
CN211640428U (en) | Agitating unit for building engineering | |
CN219952220U (en) | Beam-column connection structure | |
CN214192350U (en) | Tower crane frame structure | |
CN214531156U (en) | Connecting structure of steel member and plate member | |
CN217130542U (en) | Municipal administration water supply and drainage construction supports positioner | |
CN221461516U (en) | Assembled shear wall structure | |
CN211816987U (en) | Assembly type building bottom connecting mechanism | |
CN221563049U (en) | Install and remove efficient installation assembly for rail transit vehicle | |
CN214832977U (en) | Efficient dismounting device for maintenance of grab bucket of excavator | |
CN220469382U (en) | Scaffold frame height big formwork is detained to dish | |
CN220166883U (en) | Concrete support pile | |
CN211543162U (en) | Trailer frame front end traction device | |
CN221500427U (en) | Tower crane base mounting structure | |
CN214995272U (en) | Connecting structure of prefabricated superposed beam |
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 |